Stockholders' Equity (Details 2) - USD ($) $ in Millions	3 Months Ended					6 Months Ended		12 Months Ended	15 Months Ended
	Jun. 30, 2024	Mar. 31, 2024	Dec. 31, 2023	Sep. 30, 2023	Mar. 31, 2023	Jun. 30, 2024	Jun. 30, 2023	Dec. 31, 2023	Jun. 30, 2024	Nov. 02, 2022	Nov. 03, 2021
Equity, Class of Treasury Stock [Line Items]
Stock repurchased during period (in shares)	8,400,000
Stock repurchase accrued but unpaid						$ 14
Authorized amount of stock repurchase program										$ 3,000	$ 1,500
Treasury stock (in shares)	194,832		0			194,832		0	194,832
2022 Share Repurchase Program
Equity, Class of Treasury Stock [Line Items]
Stock repurchased during period (in shares)	4,000,000.0	4,300,000	2,900,000	1,900,000	0	8,300,000	800,000	5,600,000	13,900,000
Amount of stock repurchased during period	$ 305	$ 347	$ 225	$ 150	$ 0	$ 652	$ 50	$ 425	$ 1,077
2021 Share Repurchase Program
Equity, Class of Treasury Stock [Line Items]
Stock repurchased during period (in shares)							2,300,000
Amount of stock repurchased during period							$ 155