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Financial Instruments - Narrative (Details) € in Millions, £ in Millions, $ in Millions |  |  | 1 Months Ended | 12 Months Ended |  |  |  |  |
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Mar. 08, 2024 USD ($) | Mar. 07, 2024 USD ($) | Mar. 31, 2024 USD ($) | Dec. 31, 2024 USD ($) | Dec. 31, 2023 USD ($) | Dec. 31, 2022 USD ($) | Dec. 31, 2024 GBP (£) | Dec. 31, 2024 EUR (€) | Mar. 31, 2024 GBP (£) | Dec. 31, 2023 GBP (£) | Dec. 31, 2023 EUR (€) | Sep. 30, 2023 EUR (€) | Jun. 30, 2023 GBP (£)
Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Other investing activities, net |  |  |  | $ 44 | $ 24 | $ 6 |  |  |  |  |  |  |
Other financing activities, net |  |  |  | 43 | (7) | (20) |  |  |  |  |  |  |
Loss on extinguishment of debt |  |  |  | $ 174 | 0 | $ 0 |  |  |  |  |  |  |
Derivative gain (loss) statement of income or comprehensive income extensible enumeration not disclosed flag |  |  |  | change in fair value |  |  |  |  |  |  |  |  |
Worldpay Sale |  |  |  |  |  |  |  |  |  |  |  |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Derivative fair value, consideration contingent |  |  |  | $ 1,000 |  |  |  |  |  |  |  |  |
Gain for the change in fair value |  |  |  | 37 |  |  |  |  |  |  |  |  |
Worldpay Sale | Other Noncurrent Assets |  |  |  |  |  |  |  |  |  |  |  |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Derivative asset fair value |  |  |  | 108 |  |  |  |  |  |  |  |  |
Senior Notes |  |  |  |  |  |  |  |  |  |  |  |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Loss on extinguishment of debt | $ 174 | $ 174 |  |  |  |  |  |  |  |  |  |  |
Fair Value Hedging | Interest rate swap |  |  |  |  |  |  |  |  |  |  |  |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Notional amount |  |  |  | 1,854 | 1,854 |  | £ 925 | € 0 |  | £ 925 | € 500 |  |
Fair value of interest expense using amortization approach |  |  |  | 50 | 41 |  |  |  |  |  |  |  |
Unamortized fair value basis adjustments |  |  | $ 316 |  |  |  |  |  |  |  |  |  |
Derivative liability fair value |  |  |  | 228 | 594 |  |  |  |  |  |  |  |
Net offset by changes in spot foreign currency exchange rates |  |  |  | (22) | (52) |  |  |  |  |  |  |  |
Other investing activities, net |  |  |  | 122 | 28 |  |  |  |  |  |  |  |
Fair Value Hedging | Interest rate swap | New Offsetting Variable To Fixed Interest Rate Swaps |  |  |  |  |  |  |  |  |  |  |  |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Notional amount |  |  |  | 1,854 | 1,854 |  | 925 | 0 |  | 925 | 500 |  |
Derivative liability fair value |  |  |  | 595 | 675 |  |  |  |  |  |  |  |
Derivative asset fair value |  |  |  | 33 | 12 |  |  |  |  |  |  |  |
Fair Value Hedging | Cross currency swap |  |  |  |  |  |  |  |  |  |  |  |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Notional amount |  |  |  |  |  |  |  |  | £ 170 |  |  | € 3,375 | £ 925
Fair value of interest expense using amortization approach |  |  |  | 46 | 20 |  |  |  |  |  |  |  |
Net offset by changes in spot foreign currency exchange rates |  |  |  | (226) | 61 |  |  |  |  |  |  |  |
Derivative asset fair value |  |  |  | 4 | 134 |  |  |  |  |  |  |  |
Derivative liability fair value |  |  |  | (84) | 0 |  |  |  |  |  |  |  |
Other comprehensive earnings (loss) for the changes in swap fair values attributable to excluded components |  |  |  | 32 | 74 |  |  |  |  |  |  |  |
Other financing activities, net |  |  | 33 |  |  |  |  |  |  |  |  |  |
Loss on extinguishment of debt |  |  | $ 19 |  |  |  |  |  |  |  |  |  |
Net Investment Hedging |  |  |  |  |  |  |  |  |  |  |  |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Derivative liability fair value |  |  |  | 11 |  |  |  |  |  |  |  |  |
Derivative asset fair value |  |  |  |  | 41 |  |  |  |  |  |  |  |
Other financing activities, net |  |  |  | 19 |  |  |  |  |  |  |  |  |
Net Investment Hedging | Senior Notes |  |  |  |  |  |  |  |  |  |  |  |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Notional amount | € |  |  |  |  |  |  |  | 375 |  |  | 1,500 |  |
Net Investment Hedging | Senior Notes | Senior Euro Notes Maturing 2024 to 2025 and ECP Notes |  |  |  |  |  |  |  |  |  |  |  |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Notional amount | € |  |  |  |  |  |  |  | 250 |  |  |  |  |
Net Investment Hedging | Senior Notes | Senior Euro Notes Maturing Two Thousand Twenty Two To Two Thousand Thirty Nine and ECP Notes |  |  |  |  |  |  |  |  |  |  |  |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Notional amount | € |  |  |  |  |  |  |  |  |  |  | 1,115 |  |
Net Investment Hedging | Senior Notes | Sterling Senior Notes Due 2024 to 2025 |  |  |  |  |  |  |  |  |  |  |  |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Notional amount |  |  |  |  |  |  |  | 100 |  | 419 |  |  |
Net Investment Hedging | Interest rate swap |  |  |  |  |  |  |  |  |  |  |  |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Derivative liability fair value |  |  |  | 12 | 240 |  |  |  |  |  |  |  |
Derivative asset fair value |  |  |  | $ 128 | $ 38 |  |  |  |  |  |  |  |
Net Investment Hedging | Cross currency swap |  |  |  |  |  |  |  |  |  |  |  |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Notional amount |  |  |  |  |  |  | £ 0 | € 5,045 |  | £ 2,180 | € 6,143 |  |

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