Stock (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2025	Mar. 31, 2024	Jan. 16, 2025	Dec. 31, 2024
Equity [Abstract]
Preferred stock, shares authorized (in shares)	125.0	125.0			125.0
Preferred stock, par value (in usd per share)	$ 0.01	$ 0.01			$ 0.01
Preferred stock, shares issued (in shares)	0.0	0.0			0.0
Common stock, shares authorized (in shares)	2,000.0	2,000.0
Common stock, par value (in usd per share)	$ 0.01	$ 0.01
Common stock, shares issued (in shares)	439.1	439.1			438.6
Treasury stock (in shares)	43.6	43.6			41.0
Stock repurchase program, authorized amount				$ 2,000	$ 2,000
Stock repurchase program, remaining authorized shares amount					$ 200
Stock repurchase during period (in shares)	2.6		3.4
Stock repurchased during period	$ 253	$ 153	$ 300
Excise tax	1.00%		1.00%