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Common Stock (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	1 Months Ended	3 Months Ended			6 Months Ended
	Jul. 21, 2026	Jun. 30, 2026	Mar. 31, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025	Nov. 30, 2025
Equity, Class of Treasury Stock [Line Items]
Common stock repurchased (in shares)						2.7
Purchase of treasury shares					$ 1,500	$ 600
Stock-based compensation, shares issued during period (in shares)					1.8	2.9
Dividend per share (in dollars per share)		$ 0		$ 0	$ 1.80	$ 1.63
Subsequent Event
Equity, Class of Treasury Stock [Line Items]
Dividend per share (in dollars per share)	$ 0.990
O 2026 Q1 1 Dividends
Equity, Class of Treasury Stock [Line Items]
Dividend per share (in dollars per share)			$ 0.900
O 2026 Q1 2 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]
Share repurchases authorized							$ 6,000
Common stock repurchased (in shares)					8.7
Stock repurchase program, remaining authorized repurchase amount		$ 4,200			$ 4,200