Total Debt (Carrying Amount)
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).
A significant upward trajectory in total debt is evident from 2017 to 2021. The total carrying amount of debt increased from approximately $7.54 billion in 2017 to $21.09 billion by the end of 2021, representing a nearly threefold increase over the five-year period. The most pronounced escalation occurred between 2019 and 2020, during which total debt grew by approximately 75% in a single fiscal year.
- Long-Term Debt Expansion
- Debt excluding the current portion grew from $6.35 billion in 2017 to $18.85 billion in 2021. A substantial spike is observed in 2020, where long-term debt more than doubled from $8.41 billion in 2019 to $17.96 billion, indicating a heavy reliance on long-term financing to support operations or liquidity during that period.
- Short-Term Debt Dynamics
- The current portion of long-term debt exhibited volatility, decreasing to $961.8 million in 2020 before surging to $2.24 billion in 2021, suggesting a concentrated maturity schedule in the immediate term. Simultaneously, commercial paper usage peaked in 2019 at $1.43 billion but declined sharply thereafter, becoming absent by the end of 2021.
- Structural Debt Composition
- The debt profile shifted from a more distributed mix of current and long-term obligations toward a heavy concentration of long-term liabilities. By 2021, long-term debt (excluding the current portion) constituted approximately 89% of the total carrying amount, reflecting a strategic shift toward longer-term capitalization to manage the total debt load.
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Total Debt (Fair Value)
| Dec 31, 2021 | |
|---|---|
| Selected Financial Data (US$ in thousands) | |
| Commercial paper | —) |
| Long-term debt, including current portion of long-term debt | 22,376,480) |
| Finance lease liabilities | 472,275) |
| Total debt (fair value) | 22,848,755) |
| Financial Ratio | |
| Debt, fair value to carrying amount ratio | 1.08 |
Based on: 10-K (reporting date: 2021-12-31).
Weighted-average Interest Rate on Debt
Weighted-average interest rate on debt: 5.47%
| Interest rate | Debt amount1 | Interest rate × Debt amount | Weighted-average interest rate2 |
|---|---|---|---|
| 5.47% | 21,453,872) | 1,173,527) | |
| Total | 21,453,872) | 1,173,527) | |
| 5.47% | |||
Based on: 10-K (reporting date: 2021-12-31).
1 US$ in thousands
2 Weighted-average interest rate = 100 × 1,173,527 ÷ 21,453,872 = 5.47%
Interest Costs Incurred
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).
A substantial upward trajectory in total interest costs incurred is observed between 2017 and 2021, with the total rising from US$ 324,182 thousand to US$ 1,350,553 thousand. This represents a significant increase in the cost of debt servicing over the five-year period, characterized by a moderate growth rate initially followed by a sharp acceleration after 2019.
- Net Interest Expense Trend
- Interest expense, net of interest capitalized, exhibited consistent growth from 2017 through 2019, moving from US$ 299,982 thousand to US$ 408,513 thousand. However, a dramatic escalation occurred in 2020 and 2021, with expenses reaching US$ 844,238 thousand and US$ 1,291,753 thousand, respectively. The increase between 2019 and 2021 alone exceeds 215%, indicating a substantial expansion of the company's debt obligations or an increase in the weighted average cost of borrowing.
- Capitalized Interest Analysis
- Capitalized interest costs showed a growth phase between 2017 and 2019, increasing from US$ 24,200 thousand to US$ 56,500 thousand. From 2019 to 2021, these costs stabilized, remaining relatively flat at approximately US$ 59 million. This suggests that while the total cost of debt rose sharply, the volume of interest being allocated to capital projects remained constant.
- Composition of Total Interest Costs
- The relationship between net interest expense and capitalized interest shifted markedly over the period. In 2017, capitalized interest accounted for approximately 7.5% of total interest costs incurred. By 2021, this proportion decreased to approximately 4.3%, as the growth in net interest expense far outpaced the growth in capitalized costs.
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Adjusted Interest Coverage Ratio
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 Interest coverage ratio (without capitalized interest) = EBIT ÷ Interest expense, net of interest capitalized
= -4,013,946 ÷ 1,291,753 = -3.11
2 Adjusted interest coverage ratio (with capitalized interest) = EBIT ÷ Interest costs incurred
= -4,013,946 ÷ 1,350,553 = -2.97
Between 2017 and 2021, a severe deterioration in debt service capacity is evident, characterized by a transition from strong coverage levels to negative ratios.
- Adjusted Interest Coverage Ratio (with capitalized interest)
- A gradual decline is observed from 2017 to 2019, with the ratio moving from 5.99 to 5.05. This trend culminated in a sharp collapse in 2020, where the ratio fell to -5.48, signifying that earnings were insufficient to cover interest expenses. By the end of 2021, a partial recovery was noted as the ratio improved to -2.97, although it remained negative.
- Interest Coverage Ratio (without capitalized interest)
- This metric remained relatively stable between 2017 and 2018 at approximately 6.50 before decreasing to 5.75 in 2019. A precipitous drop occurred in 2020, reaching -5.86. Similar to the adjusted ratio, a moderate recovery was observed in 2021, with the ratio rising to -3.11, continuing to reflect a deficit in earnings relative to interest obligations.
The convergence and subsequent plunge of both ratios in 2020 indicate a systemic collapse in operating profitability relative to the cost of debt. The negative values recorded in 2020 and 2021 demonstrate a critical period of financial distress where interest payments could not be supported by operating income, necessitating a reliance on other liquidity sources to sustain debt obligations.
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