Stock-Based Awards and Other Equity Instruments - Additional Information (Details) - USD ($) $ / shares in Units, shares in Thousands, $ 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]
Common stock reserved for new stock-based awards, shares	10,000
Market value of shares vested in period	$ 316	$ 336	$ 504
Stock-based compensation	413	374	418
Stock-based compensation tax benefit	88	106	157
Capitalized stock-based compensation expense	71	54	68
Cash received from stock-based award exercises	60	98	476
Income tax benefit associated with employees exercise of stock-based awards	17	$ 17	$ 28
Unrecognized stock-based compensation expense	$ 878
Unrecognized stock-based compensation expense expected recognition period	1 year 5 months 12 days
Employee Stock Purchase Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common stock purchase price as percentage of fair market value	85.00%
Eligible employees contribution of base compensation	15.00%
Employee stock purchase plan, shares purchased	442	305	194
Employee stock ownership plan, average purchase price of shares purchased	$ 92.56	$ 109.36	$ 135.38
Number of shares available for issuance (in shares)	1,500
Stock Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock price, as of year end (in dollars per share)	$ 151.79
Total intrinsic value of stock options exercised, value	$ 9	$ 89	$ 302
Options granted (in shares)	0	0