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Debt - Schedule of Debt (Details) - USD ($) $ in Millions | Dec. 31, 2023 | Oct. 31, 2023 | Jan. 31, 2023 | Dec. 31, 2022
--- | --- | --- | --- | ---
SHORT-TERM DEBT |  |  |  |
Short-term debt | $ 446 |  |  | $ 1,159
LONG-TERM DEBT |  |  |  |
Senior notes, net of unamortized discounts and debt issuance costs | 7,242 |  |  | 7,237
Noncurrent portion of other long-term debt | 63 |  |  | 50
Total long-term debt | 7,305 |  |  | 7,287
Total debt | 7,751 |  |  | 8,446
Senior notes |  |  |  |
LONG-TERM DEBT |  |  |  |
Unamortized discounts and debt issuance costs | (41) |  |  | (46)
Senior notes, net of unamortized discounts and debt issuance costs | 7,242 |  |  | 7,237
Debt instrument face value | 7,300 |  |  | 8,400
Senior notes | Level 2 |  |  |  |
LONG-TERM DEBT |  |  |  |
Debt instrument fair value | $ 6,900 |  |  | 7,600
Senior notes | 2.85% senior notes due January 2023 |  |  |  |
SHORT-TERM DEBT |  |  |  |
Debt instrument, interest rate (as a percent) |  |  | 2.85% |
Senior notes | 3.85% senior notes due October 2023 |  |  |  |
SHORT-TERM DEBT |  |  |  |
Debt instrument, interest rate (as a percent) |  | 3.85% |  |
Senior notes | 3.60% senior notes due November 2024 |  |  |  |
SHORT-TERM DEBT |  |  |  |
Debt instrument, interest rate (as a percent) | 3.60% |  |  |
LONG-TERM DEBT |  |  |  |
Long-term debt, before deducting unamortized discounts and debt issuance costs | $ 750 |  |  | 750
Senior notes | 4.65% senior notes due October 2025 |  |  |  |
SHORT-TERM DEBT |  |  |  |
Debt instrument, interest rate (as a percent) | 4.65% |  |  |
LONG-TERM DEBT |  |  |  |
Long-term debt, before deducting unamortized discounts and debt issuance costs | $ 1,000 |  |  | 1,000
Senior notes | 4.50% senior notes due December 2026 |  |  |  |
SHORT-TERM DEBT |  |  |  |
Debt instrument, interest rate (as a percent) | 4.50% |  |  |
LONG-TERM DEBT |  |  |  |
Long-term debt, before deducting unamortized discounts and debt issuance costs | $ 750 |  |  | 750
Senior notes | 3.55% senior notes due December 2029 |  |  |  |
SHORT-TERM DEBT |  |  |  |
Debt instrument, interest rate (as a percent) | 3.55% |  |  |
LONG-TERM DEBT |  |  |  |
Long-term debt, before deducting unamortized discounts and debt issuance costs | $ 1,000 |  |  | 1,000
Senior notes | 3.80% senior notes due September 2030 |  |  |  |
SHORT-TERM DEBT |  |  |  |
Debt instrument, interest rate (as a percent) | 3.80% |  |  |
LONG-TERM DEBT |  |  |  |
Long-term debt, before deducting unamortized discounts and debt issuance costs | $ 750 |  |  | 750
Senior notes | 6.70% senior notes due May 2036 |  |  |  |
SHORT-TERM DEBT |  |  |  |
Debt instrument, interest rate (as a percent) | 6.70% |  |  |
LONG-TERM DEBT |  |  |  |
Long-term debt, before deducting unamortized discounts and debt issuance costs | $ 250 |  |  | 250
Senior notes | 6.65% senior notes due January 2037 |  |  |  |
SHORT-TERM DEBT |  |  |  |
Debt instrument, interest rate (as a percent) | 6.65% |  |  |
LONG-TERM DEBT |  |  |  |
Long-term debt, before deducting unamortized discounts and debt issuance costs | $ 600 |  |  | 600
Senior notes | 5.15% senior notes due June 2042 |  |  |  |
SHORT-TERM DEBT |  |  |  |
Debt instrument, interest rate (as a percent) | 5.15% |  |  |
LONG-TERM DEBT |  |  |  |
Long-term debt, before deducting unamortized discounts and debt issuance costs | $ 499 |  |  | 499
Senior notes | 4.30% senior notes due January 2043 |  |  |  |
SHORT-TERM DEBT |  |  |  |
Debt instrument, interest rate (as a percent) | 4.30% |  |  |
LONG-TERM DEBT |  |  |  |
Long-term debt, before deducting unamortized discounts and debt issuance costs | $ 348 |  |  | 348
Senior notes | 4.70% senior notes due June 2044 |  |  |  |
SHORT-TERM DEBT |  |  |  |
Debt instrument, interest rate (as a percent) | 4.70% |  |  |
LONG-TERM DEBT |  |  |  |
Long-term debt, before deducting unamortized discounts and debt issuance costs | $ 687 |  |  | 687
Senior notes | 4.90% senior notes due February 2045 |  |  |  |
SHORT-TERM DEBT |  |  |  |
Debt instrument, interest rate (as a percent) | 4.90% |  |  |
LONG-TERM DEBT |  |  |  |
Long-term debt, before deducting unamortized discounts and debt issuance costs | $ 649 |  |  | 649
Other long-term debt |  |  |  |
LONG-TERM DEBT |  |  |  |
Noncurrent portion of other long-term debt | 63 |  |  | 50
Line of Credit | Commercial paper notes |  |  |  |
SHORT-TERM DEBT |  |  |  |
Short-term notes and borrowings | $ 433 |  |  |
Weighted average interest rate, short-term (as a percent) | 5.80% |  |  |
Senior notes | 2.85% senior notes due January 2023 |  |  |  |
SHORT-TERM DEBT |  |  |  |
Short-term notes and borrowings |  |  |  | $ 400
Debt instrument, interest rate (as a percent) |  |  |  | 2.85%
Senior notes | 3.85% senior notes due October 2023 |  |  |  |
SHORT-TERM DEBT |  |  |  |
Short-term notes and borrowings |  |  |  | $ 700
Debt instrument, interest rate (as a percent) |  |  |  | 3.85%
Other |  |  |  |
SHORT-TERM DEBT |  |  |  |
Short-term debt | $ 13 |  |  | $ 59

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