Basis of Presentation (Details) - USD ($) $ in Millions	3 Months Ended			9 Months Ended
	Sep. 30, 2024	Mar. 31, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023	Jun. 30, 2024	Dec. 31, 2023	Jun. 30, 2023	Dec. 31, 2022
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Decrease to retained earnings	$ (345,836)		$ (317,371)	$ (345,836)	$ (317,371)		$ (327,878)
Increase to income tax expense	4,080		3,582	13,240	10,041
Percentage increase in effective tax rate due to accounting standard adopted		2.00%
Retained earnings
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Decrease to retained earnings	$ (365,966)		$ (327,044)	$ (365,966)	$ (327,044)	$ (356,924)	(332,901)	$ (317,359)	$ (296,456)
Cumulative effect of change in accounting principles
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Increase to income tax expense		$ 450
Cumulative effect of change in accounting principles | Retained earnings
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Decrease to retained earnings							$ 161		$ (449)