Goodwill and Other Intangible Assets - Schedule of Other Intangible Assets by Asset Class (Details) - USD ($) $ in Millions |
Mar. 31, 2024 |
Dec. 31, 2023 |
|---|---|---|
| Finite-Lived Intangible Assets [Line Items] | ||
| Gross Carrying Amount | $ 2,224 | $ 2,244 |
| Accumulated Amortization and Impairment | 2,007 | 2,010 |
| Total | 217 | 234 |
| Customer-related and contract-based | ||
| Finite-Lived Intangible Assets [Line Items] | ||
| Gross Carrying Amount | 1,857 | 1,873 |
| Accumulated Amortization and Impairment | 1,683 | 1,686 |
| Total | 174 | 187 |
| Technology and other | ||
| Finite-Lived Intangible Assets [Line Items] | ||
| Gross Carrying Amount | 367 | 371 |
| Accumulated Amortization and Impairment | 324 | 324 |
| Total | $ 43 | $ 47 |