Share-Based Payments Schedule of Additional Share-Based Payment Information (Details) - USD ($) $ / shares in Units, $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation expense: Options, RSUs and PSUs	$ 460	$ 295	$ 273
Income tax benefit recognized for equity awards	99	61	57
Share-based Payment Arrangement, Exercise of Option, Tax Benefit	95	49	36
Total intrinsic value of stock options exercised	$ 487	$ 231	$ 169
Restricted Stock Units (RSUs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted-average grant-date fair value of awards granted	$ 350	$ 340	$ 358
Total grant-date fair value of awards vested	$ 235	$ 305	$ 202
Total intrinsic value of units converted into shares of Class A common stock	$ 253	$ 420	$ 360
Performance stock units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted-average grant-date fair value of awards granted	$ 365	$ 335	$ 385
Total grant-date fair value of awards vested	$ 12	$ 0	$ 20
Total intrinsic value of units converted into shares of Class A common stock	$ 14	$ 0	$ 32