Common Stock (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	1 Months Ended			3 Months Ended		9 Months Ended
	Aug. 31, 2024	May 31, 2024	Feb. 29, 2024	Sep. 30, 2024	Mar. 31, 2024	Sep. 30, 2024	Sep. 30, 2023
Equity, Class of Treasury Stock [Line Items]
Common stock repurchased (in shares)							5.1
Purchase of treasury shares						$ 900	$ 900
Stock-based compensation, shares issued during period (in shares)						3.3	3.3
Dividends, per share, cash paid (in dollars per share)	$ 0.815	$ 0.710	$ 0.710
Dividends, per share, payable (in dollars per share)				$ 0.815		$ 0.815
2024 Q1 January Dividends
Equity, Class of Treasury Stock [Line Items]
Dividend per share (in dollars per share)					$ 0.710
2024 Q1 March Dividends
Equity, Class of Treasury Stock [Line Items]
Dividend per share (in dollars per share)					$ 0.710
O 2024 Q2 1 Dividends
Equity, Class of Treasury Stock [Line Items]
Dividend per share (in dollars per share)				0.815
O 2024 Q2 2 Dividends
Equity, Class of Treasury Stock [Line Items]
Dividend per share (in dollars per share)				$ 0.815
Common Stock
Equity, Class of Treasury Stock [Line Items]
Common stock repurchased (in shares)						4.3
Stock repurchase program, remaining authorized repurchase amount				$ 2,300		$ 2,300