Common Stock (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended			9 Months Ended
	Sep. 30, 2025	Mar. 31, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Equity, Class of Treasury Stock [Line Items]
Common stock repurchased (in shares)					4.3
Purchase of treasury shares				$ 1,000	$ 900
Stock-based compensation, shares issued during period (in shares)				3.2	3.3
Dividend per share (in dollars per share)	$ 1.80		$ 1.63	$ 3.43	$ 3.05
O 2025 Q1 Dividends
Equity, Class of Treasury Stock [Line Items]
Dividend per share (in dollars per share)		$ 0.815
O 2025 Q2 Dividends
Equity, Class of Treasury Stock [Line Items]
Dividend per share (in dollars per share)		$ 0.815
O 2025 Q3 Dividends
Equity, Class of Treasury Stock [Line Items]
Dividend per share (in dollars per share)	0.900
O 2025 Q4 Dividends
Equity, Class of Treasury Stock [Line Items]
Dividend per share (in dollars per share)	$ 0.900
Common Stock
Equity, Class of Treasury Stock [Line Items]
Common stock repurchased (in shares)				4.6
Stock repurchase program, remaining authorized repurchase amount	$ 1,300			$ 1,300