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Borrowings and Credit Agreements - Long-term Borrowings (Details) - USD ($) |  | 1 Months Ended | 12 Months Ended
--- | --- | --- | ---
Aug. 18, 2021 | Sep. 30, 2022 | Aug. 31, 2022 | May 31, 2022 | Dec. 31, 2021 | Aug. 31, 2021 | Dec. 31, 2020 | Aug. 31, 2020 | Mar. 31, 2020 | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Redeemed principal amount |  |  |  |  |  |  |  |  |  | $ 4,211,000,000 | $ 10,254,000,000 | $ 15,631,000,000
Proceeds from debt | $ 987,000,000 |  |  |  |  |  |  |  |  |  |  |
Payments for derivative instruments |  |  |  |  |  |  |  |  | $ 7,000,000 | 0 | 0 | 7,000,000
Loss on net cash flow hedges |  |  |  |  |  |  |  |  | $ 5,000,000 |  |  |
Premium paid in excess of debt principal |  |  |  |  | $ 80,000,000 | $ 332,000,000 | $ 619,000,000 | $ 706,000,000 |  |  |  |
Write off of deferred debt issuance cost |  |  |  |  | 8,000,000 | 26,000,000 | 45,000,000 | 47,000,000 |  |  |  |
Debt extinguishment fees |  |  |  |  | 1,000,000 | 5,000,000 | 10,000,000 | 13,000,000 |  |  |  |
Loss on early extinguishment of debt |  |  |  |  | $ 89,000,000 | $ 363,000,000 | 674,000,000 | 766,000,000 |  | $ 0 | $ 452,000,000 | $ 1,440,000,000
Senior Notes | 3.5% senior notes due July 2022 |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Debt interest rate |  |  |  | 3.50% |  |  |  |  |  | 3.50% |  |
Redeemed principal amount |  |  |  | $ 1,500,000,000 |  |  |  |  |  |  |  |
Senior Notes | 2.75% senior notes due November 2022 |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Debt interest rate |  |  | 2.75% |  |  |  |  |  |  | 2.75% |  |
Redeemed principal amount |  |  | $ 1,000,000,000 |  |  |  |  |  |  |  |  |
Senior Notes | 2.75% senior notes due December 2022 |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Debt interest rate |  | 2.75% |  |  |  |  |  |  |  | 2.75% |  |
Redeemed principal amount |  | $ 1,250,000,000 |  |  |  |  |  |  |  |  |  |
Senior Notes | 4.75% senior notes due December 2022 |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Debt interest rate |  | 4.75% |  |  |  |  |  |  |  | 4.75% |  |
Redeemed principal amount |  | $ 399,000,000 |  |  |  |  |  |  |  |  |  |
Senior Notes | 2.125% senior notes due September 2031 |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Debt interest rate | 2.125% |  |  |  |  |  |  |  |  | 2.125% |  |
Debt face amount | $ 1,000,000,000 |  |  |  |  |  |  |  |  |  |  |
Senior Notes | 3.625% senior notes due April 2027 |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Debt interest rate |  |  |  |  |  |  |  |  | 3.625% | 3.625% |  |
Debt face amount |  |  |  |  |  |  |  |  | $ 750,000,000 |  |  |
Senior Notes | 3.75% senior notes due April 2030 |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Debt interest rate |  |  |  |  |  |  |  |  | 3.75% | 3.75% |  |
Debt face amount |  |  |  |  |  |  |  |  | $ 1,500,000,000 |  |  |
Senior Notes | 4.125% senior notes due April 2040 |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Debt interest rate |  |  |  |  |  |  |  |  | 4.125% | 4.125% |  |
Debt face amount |  |  |  |  |  |  |  |  | $ 1,000,000,000 |  |  |
Senior Notes | 4.25% senior notes due April 2050 |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Debt interest rate |  |  |  |  |  |  |  |  | 4.25% | 4.25% |  |
Debt face amount |  |  |  |  |  |  |  |  | $ 750,000,000 |  |  |
Senior Notes | 3.7% senior notes due 2023 |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Debt interest rate |  |  |  |  | 3.70% |  |  |  |  |  | 3.70% |
Aggregate principal of debt extinguished |  |  |  |  | $ 2,300,000,000 |  |  |  |  |  |  |
Senior Notes | 4.3% senior notes due 2028 |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Debt interest rate |  |  |  |  |  | 4.30% |  |  |  |  |  |
Aggregate principal of debt extinguished |  |  |  |  |  | $ 2,000,000,000 |  |  |  |  |  |
Senior Notes | Outstanding Senior Notes |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Aggregate principal of debt extinguished |  |  |  |  |  |  | $ 4,500,000,000 | $ 6,000,000,000 |  |  |  |
Senior Notes | 4% senior notes due December 2023 |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Debt interest rate |  |  |  |  |  |  | 4.00% | 4.00% |  | 4.00% |  | 4.00%
Aggregate principal of debt extinguished |  |  |  |  |  |  | $ 113,000,000 | $ 723,000,000 |  |  |  |
Senior Notes | 3.7% senior notes due March 2023 |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Debt interest rate |  |  |  |  |  |  | 3.70% | 3.70% |  |  |  | 3.70%
Aggregate principal of debt extinguished |  |  |  |  |  |  | $ 1,400,000,000 | $ 2,300,000,000 |  |  |  |
Senior Notes | 4.1% senior notes due March 2025 |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Debt interest rate |  |  |  |  |  |  | 4.10% | 4.10% |  | 4.10% |  | 4.10%
Aggregate principal of debt extinguished |  |  |  |  |  |  | $ 1,000,000,000 | $ 3,000,000,000 |  |  |  |
Senior Notes | 4.3% senior notes due 2028 |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Debt interest rate |  |  |  |  |  |  | 4.30% |  |  |  |  | 4.30%
Aggregate principal of debt extinguished |  |  |  |  |  |  | $ 2,000,000,000 |  |  |  |  |

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