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v3.23.3

Debt - Narrative (Details) $ in Millions |  | 3 Months Ended |  |  |  |
--- | --- | --- | --- | --- | --- | ---
May 25, 2023 USD ($) | Jun. 30, 2023 transaction | Oct. 04, 2023 | Sep. 30, 2023 USD ($) | May 23, 2023 USD ($) | Dec. 31, 2022 USD ($)
Debt Instrument [Line Items] |  |  |  |  |  |
Debt refinancing strategy, number of transactions | transaction |  | 2 |  |  |  |
Debt instrument, repurchased face amount | $ 1,133 |  |  |  | $ 1,100 |
Debt repurchase, incurred debt discount | 33 |  |  |  |  |
Gain (loss) on repurchase of debt instrument | 27 |  |  |  |  |
Total debt |  |  |  | $ 19,100 |  | $ 16,600
Surmont | Subsequent Event |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Percentage of interest acquired |  |  | 50.00% |  |  |
Notes Payable to Banks | 5.3% Note due 2053 |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Debt at face value |  |  |  |  | $ 1,100 |
Stated interest rate |  |  |  |  | 5.30% |
Notes Payable to Banks | 5.05% Note due 2033 |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Debt at face value |  |  |  | $ 1,000 |  |
Stated interest rate |  |  |  | 5.05% |  |
Notes Payable to Banks | 5.55% Note due 2054 |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Debt at face value |  |  |  | $ 1,000 |  |
Stated interest rate |  |  |  | 5.55% |  |
Notes Payable to Banks | 5.7% Note due 2063 |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Debt at face value |  |  |  | $ 700 |  |
Stated interest rate |  |  |  | 5.70% |  |
Notes Payable to Banks | 3.35% Notes due 2024 |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Debt at face value | $ 426 |  |  |  |  |
Stated interest rate | 3.35% |  |  |  |  |
Debt instrument, repurchased face amount | $ 160 |  |  |  |  |
Notes Payable to Banks | 2.125% Notes due 2024 |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Debt at face value | $ 900 |  |  |  |  |
Stated interest rate | 2.125% |  |  |  |  |
Debt instrument, repurchased face amount | $ 439 |  |  |  |  |
Notes Payable to Banks | 2.4% Notes due 2025 |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Debt at face value | $ 900 |  |  |  |  |
Stated interest rate | 2.40% |  |  |  |  |
Debt instrument, repurchased face amount | $ 534 |  |  |  |  |
Notes Payable to Banks | 10, 30, and 40 Year Senior Notes |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Debt at face value |  |  |  | $ 2,700 |  |
Variable Rate Debt Bonds |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Debt at face value |  |  |  | 283 |  |
Revolving Credit Facility |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Project finance facility, maximum borrowing capacity |  |  |  | 5,500 |  |
Minimum limit of debt for cross default provision |  |  |  | 200 |  |
Letter of Credit | Maximum |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Line of credit facility, capacity available for specific purpose other than for trade purchases |  |  |  | $ 500 |  |

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