An operating lease is treated like a rental contract. Neither the leased asset nor the associated liability is reported on the lessee balance sheet, but the rights may be very similar to the rights of an owner. The lessee only records the lease payments as a rental expense in income statement.

Adjustments to Financial Statements for Operating Leases
Adjusted Financial Ratios for Operating Leases (Summary)
Adjusted Total Asset Turnover
Adjusted Debt to Equity
Adjusted Return on Assets (ROA)

Marathon Oil Corp., adjustments to financial statements

US$ in millions

	Dec 31, 2021	Dec 31, 2020	Dec 31, 2019	Dec 31, 2018	Dec 31, 2017
Adjustment to Total Assets
Total assets (as reported)	16,994)	17,956)	20,245)	21,321)	22,012)
Add: Operating lease right-of-use asset (before adoption of FASB Topic 842)¹	—)	—)	—)	184)	106)
Total assets (adjusted)	16,994)	17,956)	20,245)	21,505)	22,118)
Adjustment to Total Debt
Total debt (as reported)	4,044)	5,404)	5,501)	5,499)	5,494)
Add: Operating lease liability (before adoption of FASB Topic 842)²	—)	—)	—)	184)	106)
Add: Current portion of long-term operating lease liability (located in Other current liabilities)	40)	70)	101)	—)	—)
Add: Long-term operating lease liability, excluding current portion (located in Deferred credits and other liabilities)	23)	67)	107)	—)	—)
Total debt (adjusted)	4,107)	5,541)	5,709)	5,683)	5,600)

Based on: 10-K (reporting date: 2021-12-31), 10-K (reporting date: 2020-12-31), 10-K (reporting date: 2019-12-31), 10-K (reporting date: 2018-12-31), 10-K (reporting date: 2017-12-31).

^{1, 2} Equal to total present value of future operating lease payments.

Marathon Oil Corp., Financial Data: Reported vs. Adjusted

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Marathon Oil Corp., adjusted financial ratios

	Dec 31, 2021	Dec 31, 2020	Dec 31, 2019	Dec 31, 2018	Dec 31, 2017
Total Asset Turnover¹
Reported total asset turnover	0.33	0.17	0.25	0.28	0.20
Adjusted total asset turnover	0.33	0.17	0.25	0.27	0.20
Debt to Equity²
Reported debt to equity	0.38	0.51	0.45	0.45	0.47
Adjusted debt to equity	0.38	0.52	0.47	0.47	0.48
Return on Assets³ (ROA)
Reported ROA	5.57%	-8.08%	2.37%	5.14%	-26.00%
Adjusted ROA	5.57%	-8.08%	2.37%	5.10%	-25.88%

Based on: 10-K (reporting date: 2021-12-31), 10-K (reporting date: 2020-12-31), 10-K (reporting date: 2019-12-31), 10-K (reporting date: 2018-12-31), 10-K (reporting date: 2017-12-31).

¹ See details »

² See details »

³ See details »

Financial ratio	Description	The company
Adjusted total asset turnover	An activity ratio calculated as total revenue divided by adjusted total assets.	Marathon Oil Corp. adjusted total asset turnover ratio deteriorated from 2019 to 2020 but then improved from 2020 to 2021 exceeding 2019 level.
Adjusted debt to equity	A solvency ratio calculated as adjusted total debt divided by total shareholders’ equity.	Marathon Oil Corp. adjusted debt to equity ratio deteriorated from 2019 to 2020 but then improved from 2020 to 2021 exceeding 2019 level.
Adjusted ROA	A profitability ratio calculated as net income divided by adjusted total assets.	Marathon Oil Corp. adjusted ROA deteriorated from 2019 to 2020 but then improved from 2020 to 2021 exceeding 2019 level.

Marathon Oil Corp., Financial Ratios: Reported vs. Adjusted

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	Dec 31, 2021	Dec 31, 2020	Dec 31, 2019	Dec 31, 2018	Dec 31, 2017
As Reported
Selected Financial Data (US$ in millions)
Revenues	5,601)	3,097)	5,063)	5,902)	4,373)
Total assets	16,994)	17,956)	20,245)	21,321)	22,012)
Activity Ratio
Total asset turnover¹	0.33	0.17	0.25	0.28	0.20
Adjusted for Operating Leases
Selected Financial Data (US$ in millions)
Revenues	5,601)	3,097)	5,063)	5,902)	4,373)
Adjusted total assets	16,994)	17,956)	20,245)	21,505)	22,118)
Activity Ratio
Adjusted total asset turnover²	0.33	0.17	0.25	0.27	0.20

Based on: 10-K (reporting date: 2021-12-31), 10-K (reporting date: 2020-12-31), 10-K (reporting date: 2019-12-31), 10-K (reporting date: 2018-12-31), 10-K (reporting date: 2017-12-31).

2021 Calculations

¹ Total asset turnover = Revenues ÷ Total assets
= 5,601 ÷ 16,994 = 0.33

² Adjusted total asset turnover = Revenues ÷ Adjusted total assets
= 5,601 ÷ 16,994 = 0.33

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Activity ratio	Description	The company
Adjusted total asset turnover	An activity ratio calculated as total revenue divided by adjusted total assets.	Marathon Oil Corp. adjusted total asset turnover ratio deteriorated from 2019 to 2020 but then improved from 2020 to 2021 exceeding 2019 level.

	Dec 31, 2021	Dec 31, 2020	Dec 31, 2019	Dec 31, 2018	Dec 31, 2017
As Reported
Selected Financial Data (US$ in millions)
Total debt	4,044)	5,404)	5,501)	5,499)	5,494)
Stockholders’ equity	10,686)	10,561)	12,153)	12,128)	11,708)
Solvency Ratio
Debt to equity¹	0.38	0.51	0.45	0.45	0.47
Adjusted for Operating Leases
Selected Financial Data (US$ in millions)
Adjusted total debt	4,107)	5,541)	5,709)	5,683)	5,600)
Stockholders’ equity	10,686)	10,561)	12,153)	12,128)	11,708)
Solvency Ratio
Adjusted debt to equity²	0.38	0.52	0.47	0.47	0.48

Based on: 10-K (reporting date: 2021-12-31), 10-K (reporting date: 2020-12-31), 10-K (reporting date: 2019-12-31), 10-K (reporting date: 2018-12-31), 10-K (reporting date: 2017-12-31).

2021 Calculations

¹ Debt to equity = Total debt ÷ Stockholders’ equity
= 4,044 ÷ 10,686 = 0.38

² Adjusted debt to equity = Adjusted total debt ÷ Stockholders’ equity
= 4,107 ÷ 10,686 = 0.38

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Solvency ratio	Description	The company
Adjusted debt-to-equity	A solvency ratio calculated as adjusted total debt divided by total shareholders’ equity.	Marathon Oil Corp. adjusted debt-to-equity ratio deteriorated from 2019 to 2020 but then improved from 2020 to 2021 exceeding 2019 level.

	Dec 31, 2021	Dec 31, 2020	Dec 31, 2019	Dec 31, 2018	Dec 31, 2017
As Reported
Selected Financial Data (US$ in millions)
Net income (loss)	946)	(1,451)	480)	1,096)	(5,723)
Total assets	16,994)	17,956)	20,245)	21,321)	22,012)
Profitability Ratio
ROA¹	5.57%	-8.08%	2.37%	5.14%	-26.00%
Adjusted for Operating Leases
Selected Financial Data (US$ in millions)
Net income (loss)	946)	(1,451)	480)	1,096)	(5,723)
Adjusted total assets	16,994)	17,956)	20,245)	21,505)	22,118)
Profitability Ratio
Adjusted ROA²	5.57%	-8.08%	2.37%	5.10%	-25.88%

Based on: 10-K (reporting date: 2021-12-31), 10-K (reporting date: 2020-12-31), 10-K (reporting date: 2019-12-31), 10-K (reporting date: 2018-12-31), 10-K (reporting date: 2017-12-31).

2021 Calculations

¹ ROA = 100 × Net income (loss) ÷ Total assets
= 100 × 946 ÷ 16,994 = 5.57%

² Adjusted ROA = 100 × Net income (loss) ÷ Adjusted total assets
= 100 × 946 ÷ 16,994 = 5.57%

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Profitability ratio	Description	The company
Adjusted ROA	A profitability ratio calculated as net income divided by adjusted total assets.	Marathon Oil Corp. adjusted ROA deteriorated from 2019 to 2020 but then improved from 2020 to 2021 exceeding 2019 level.

Marathon Oil Corp. (NYSE:MRO)

Analysis of Operating Leases

Adjustments to Financial Statements for Operating Leases

Marathon Oil Corp., Financial Data: Reported vs. Adjusted

Adjusted Financial Ratios for Operating Leases (Summary)

Marathon Oil Corp., Financial Ratios: Reported vs. Adjusted

Adjusted Total Asset Turnover

Adjusted Debt to Equity

Adjusted Return on Assets (ROA)