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Equity and Share-Based Compensation - Narrative (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	1 Months Ended	3 Months Ended		6 Months Ended
	Feb. 28, 2026	Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Recognized share-based compensation expense		$ 319	$ 268	$ 696	$ 589
Unrecognized pretax compensation expense on nonvested awards		$ 2,800		$ 2,800
Restricted Stock Units (RSUs) \| Management Grant
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of restricted share units granted (in shares)	49
Weighted-average fair value of restricted share units granted (in dollars per share)	$ 29.60
Restricted Stock Units (RSUs) \| RSU Granted During 2026
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period				3 years
Restricted Stock Units (RSUs) \| RSU Granted Prior to 2026
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period				5 years