Summary of Significant Accounting Policies - Prior Period Reclassification (Details) - USD ($) $ in Millions |
3 Months Ended | 12 Months Ended | ||
|---|---|---|---|---|
Mar. 31, 2024 |
Dec. 31, 2024 |
Dec. 31, 2023 |
Dec. 31, 2022 |
|
| Change in Accounting Estimate [Line Items] | ||||
| Payments to acquire businesses, net of cash acquired | $ 113 | $ 279 | $ 91 | |
| Revision of Prior Period, Reclassification, Adjustment | ||||
| Change in Accounting Estimate [Line Items] | ||||
| Payments to acquire businesses, net of cash acquired | $ 184 | |||