Stock-Based Compensation (Details) - Restricted Stock and Unit Awards - USD ($) $ / shares in Units, shares in Millions, $ in Millions	9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense	$ 167	$ 177
Restricted stock and unit awards granted in period (shares)	0.3
Weighted-average grant fate fair value (USD per share)	$ 527.44
Unrecognized compensation expense	$ 232
Weighted average recognition period	1 year 2 months 12 days