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Debt - Schedule of Long-term Debt (Details) € in Millions, $ in Millions, ₨ in Billions | Dec. 31, 2024 USD ($) | Dec. 31, 2024 EUR (€) | Dec. 31, 2023 USD ($) | Jul. 31, 2023 USD ($) | Jul. 31, 2023 INR (₨) | Feb. 28, 2022 EUR (€) | Dec. 31, 2021 | Dec. 31, 2015 EUR (€)
--- | --- | --- | --- | --- | --- | --- | --- | ---
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Long-term debt, gross | $ 18,420 |  | $ 15,869 |  |  |  |  |
Less: Unamortized discount and debt issuance costs | (131) |  | (109) |  |  |  |  |
Less: Cumulative hedge accounting fair value adjustments 4 | (63) |  | (79) |  |  |  |  |
Total debt outstanding | 18,226 |  | 15,681 |  |  |  |  |
Less: Short-term debt | (750) |  | (1,337) |  |  |  |  |
Long-term debt | $ 17,476 |  | 14,344 |  |  |  |  |
Senior Notes due January 2028 | Senior Notes |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Debt instrument stated rate (percent) | 4.10% | 4.10% |  |  |  |  |  |
Long-term debt, gross | $ 750 |  | 0 |  |  |  |  |
Effective interest rate, percent | 4.262% | 4.262% |  |  |  |  |  |
Senior Notes due January 2032 | Senior Notes |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Debt instrument stated rate (percent) | 4.35% | 4.35% |  |  |  |  |  |
Long-term debt, gross | $ 1,150 |  | 0 |  |  |  |  |
Effective interest rate, percent | 4.446% | 4.446% |  |  |  |  |  |
Senior Notes due January 2035 | Senior Notes |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Debt instrument stated rate (percent) | 4.55% | 4.55% |  |  |  |  |  |
Long-term debt, gross | $ 1,100 |  | 0 |  |  |  |  |
Effective interest rate, percent | 4.633% | 4.633% |  |  |  |  |  |
Senior Notes due May 2034 | Senior Notes |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Debt instrument stated rate (percent) | 4.875% | 4.875% |  |  |  |  |  |
Long-term debt, gross | $ 1,000 |  | 0 |  |  |  |  |
Effective interest rate, percent | 5.047% | 5.047% |  |  |  |  |  |
Senior Notes due March 2028 | Senior Notes |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Debt instrument stated rate (percent) | 4.875% | 4.875% |  |  |  |  |  |
Long-term debt, gross | $ 750 |  | 750 |  |  |  |  |
Effective interest rate, percent | 5.003% | 5.003% |  |  |  |  |  |
Senior Notes due March 2033 | Senior Notes |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Debt instrument stated rate (percent) | 4.85% | 4.85% |  |  |  |  |  |
Long-term debt, gross | $ 750 |  | 750 |  |  |  |  |
Effective interest rate, percent | 4.923% | 4.923% |  |  |  |  |  |
Senior Notes due February 2029 | Senior Notes |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Debt instrument stated rate (percent) | 1.00% | 1.00% |  |  |  |  |  |
Long-term debt, gross | $ 781 |  | 830 |  |  | € 750 |  |
Effective interest rate, percent | 1.138% | 1.138% |  |  |  |  |  |
Senior Notes due November 2031 | Senior Notes |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Debt instrument stated rate (percent) | 2.00% | 2.00% |  |  |  |  |  |
Long-term debt, gross | $ 750 |  | 750 |  |  |  |  |
Effective interest rate, percent | 2.112% | 2.112% |  |  |  |  |  |
Senior Notes due March 2031 | Senior Notes |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Debt instrument stated rate (percent) | 1.90% | 1.90% |  |  |  |  |  |
Long-term debt, gross | $ 600 |  | 600 |  |  |  |  |
Effective interest rate, percent | 1.981% | 1.981% |  |  |  |  |  |
Senior Notes due March 2051 | Senior Notes |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Debt instrument stated rate (percent) | 2.95% | 2.95% |  |  |  |  |  |
Long-term debt, gross | $ 700 |  | 700 |  |  |  |  |
Effective interest rate, percent | 3.013% | 3.013% |  |  |  |  |  |
Senior Notes due March 2027 | Senior Notes |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Debt instrument stated rate (percent) | 3.30% | 3.30% |  |  |  |  |  |
Long-term debt, gross | $ 1,000 |  | 1,000 |  |  |  |  |
Effective interest rate, percent | 3.42% | 3.42% |  |  |  |  |  |
Senior Notes due March 2030 | Senior Notes |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Debt instrument stated rate (percent) | 3.35% | 3.35% |  |  |  |  |  |
Long-term debt, gross | $ 1,500 |  | 1,500 |  |  |  |  |
Effective interest rate, percent | 3.43% | 3.43% |  |  |  |  |  |
Senior Notes due March 2050 | Senior Notes |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Debt instrument stated rate (percent) | 3.85% | 3.85% |  |  |  |  | 3.85% |
Long-term debt, gross | $ 1,500 |  | 1,500 |  |  |  |  |
Effective interest rate, percent | 3.896% | 3.896% |  |  |  |  |  |
Senior Notes due June 2029 | Senior Notes |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Debt instrument stated rate (percent) | 2.95% | 2.95% |  |  |  |  |  |
Long-term debt, gross | $ 1,000 |  | 1,000 |  |  |  |  |
Effective interest rate, percent | 3.03% | 3.03% |  |  |  |  |  |
Senior Notes due June 2049 | Senior Notes |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Debt instrument stated rate (percent) | 3.65% | 3.65% |  |  |  |  |  |
Long-term debt, gross | $ 1,000 |  | 1,000 |  |  |  |  |
Effective interest rate, percent | 3.689% | 3.689% |  |  |  |  |  |
Senior Notes due March 2025 | Senior Notes |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Debt instrument stated rate (percent) | 2.00% | 2.00% |  |  |  |  |  |
Long-term debt, gross | $ 750 |  | 750 |  |  |  |  |
Effective interest rate, percent | 2.147% | 2.147% |  |  |  |  |  |
Senior Notes due February 2028 | Senior Notes |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Debt instrument stated rate (percent) | 3.50% | 3.50% |  |  |  |  |  |
Long-term debt, gross | $ 500 |  | 500 |  |  |  |  |
Effective interest rate, percent | 3.598% | 3.598% |  |  |  |  |  |
Senior Notes due February 2048 | Senior Notes |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Debt instrument stated rate (percent) | 3.95% | 3.95% |  |  |  |  |  |
Long-term debt, gross | $ 500 |  | 500 |  |  |  |  |
Effective interest rate, percent | 3.99% | 3.99% |  |  |  |  |  |
Senior Notes due November 2026 | Senior Notes |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Debt instrument stated rate (percent) | 2.95% | 2.95% |  |  |  |  |  |
Long-term debt, gross | $ 750 |  | 750 |  |  |  |  |
Effective interest rate, percent | 3.044% | 3.044% |  |  |  |  |  |
Senior Notes due November 2046 | Senior Notes |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Debt instrument stated rate (percent) | 3.80% | 3.80% |  |  |  |  |  |
Long-term debt, gross | $ 600 |  | 600 |  |  |  |  |
Effective interest rate, percent | 3.893% | 3.893% |  |  |  |  |  |
Senior Notes due December 2027 | Senior Notes |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Debt instrument stated rate (percent) | 2.10% | 2.10% |  |  |  |  |  |
Long-term debt, gross | $ 833 |  | 885 |  |  |  |  |
Effective interest rate, percent | 2.189% | 2.189% |  |  |  |  |  |
Senior Notes due December 2030 | Senior Notes |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Debt instrument stated rate (percent) | 2.50% | 2.50% |  |  |  |  |  |
Long-term debt, gross | $ 156 |  | 166 |  |  |  |  |
Effective interest rate, percent | 2.562% | 2.562% |  |  |  |  |  |
Senior Notes due April 2024 | Senior Notes |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Debt instrument stated rate (percent) | 3.375% | 3.375% |  |  |  |  |  |
Long-term debt, gross | $ 0 |  | 1,000 |  |  |  |  |
Effective interest rate, percent | 3.484% | 3.484% |  |  |  |  |  |
2023 INR Term Loan |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Debt instrument stated rate (percent) | 9.43% | 9.43% |  |  |  |  |  |
Long-term debt, gross | $ 0 |  | $ 338 |  |  |  |  |
Effective interest rate, percent | 9.78% | 9.78% |  |  |  |  |  |
Short-term debt |  |  |  | $ 342 | ₨ 28.1 |  |  |
2015 Euro Notes | Senior Notes |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Long-term debt, gross | € |  | € 950 |  |  |  |  |  | € 1,650

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