Stock-Based Awards and Other Equity Instruments - Additional Information (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Millions	12 Months Ended
Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common stock reserved for new stock-based awards, shares	7,000
Market value of shares vested in period	$ 336	$ 504	$ 172
Stock-based compensation	374	418	205
Stock-based compensation tax benefit	106	157	44
Capitalized stock-based compensation expense	54	68	36
Cash received from stock-based award exercises	98	476	301
Income tax benefit associated with employees exercise of stock-based awards	17	$ 28	$ 1
Unrecognized stock-based compensation expense	$ 938
Unrecognized stock-based compensation expense expected recognition period	2 years 8 months 23 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	305	194	212
Employee stock ownership plan, average purchase price of shares purchased	$ 109.36	$ 135.38	$ 84.89
Number of shares available for issuance (in shares)	901
Stock Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock price, as of year end (in dollars per share)	$ 87.60
Total intrinsic value of stock options exercised, value	$ 89	$ 302	$ 74
Options granted (in shares)	0		0

Current Income Tax Benefit Associated With Stock Based Awards.

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Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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Amount of cost not yet recognized for nonvested award under share-based payment arrangement.

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Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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Amount of tax benefit for recognition of expense of award under share-based payment arrangement.

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Fair value of share-based awards for which the grantee gained the right by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash.

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Number of shares authorized for issuance under share-based payment arrangement.

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The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

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Net number of share options (or share units) granted during the period.

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Per share weighted-average price paid for shares purchased on open market for issuance under share-based payment arrangement.

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Number of shares issued during the period as a result of an employee stock purchase plan.

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