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Amount of cost to be recognized for nonvested award under share-based payment arrangement. Excludes share and unit options.

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
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Amount of cost to be recognized for option under share-based payment arrangement.

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Estimated period over which an employee is required to provide service in exchange for the equity-based payment award, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition.

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The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

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The estimated dividend rate (a percentage of the share price) to be paid (expected dividends) to holders of the underlying shares over the option's term.

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Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into shares.

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The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.

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Percentage of vesting of award under share-based payment arrangement.

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Intrinsic value of outstanding award under share-based payment arrangement. Excludes share and unit options.

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Fair value of options vested. Excludes equity instruments other than options, for example, but not limited to, share units, stock appreciation rights, restricted stock.

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Purchase price of common stock expressed as a percentage of its fair value.

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Equity Awards - Narrative (Detail)	3 Months Ended	12 Months Ended
Equity Awards - Narrative (Detail)	Dec. 31, 2022 USD ($) shares	Dec. 31, 2022 USD ($) tranche $ / shares shares	Dec. 31, 2021 USD ($) $ / shares shares	Dec. 31, 2020 USD ($) $ / shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of equity incentive plans \| tranche		3
Total intrinsic value of options exercised		$ 40,000,000	$ 140,000,000	$ 199,000,000
Fair value of stock options vested		$ 11,000,000	$ 10,000,000	7,000,000
Weighted-average grant date fair value of options granted (in USD per share) \| $ / shares		$ 273.63	$ 248.85
Total unrecognized compensation cost, adjusted for estimated forfeitures, related to unvested stock options	$ 84,000,000	$ 84,000,000
Dividend yield (in percent)		0.00%
Common stock options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted-average remaining vesting period		2 years
Restricted stock units with service condition only
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares outstanding (in shares) \| shares	5,300,000	5,300,000
Restricted stock units with service and performance conditions
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares outstanding (in shares) \| shares	400,000	400,000
RSUs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted-average remaining vesting period		3 years
Number of shares outstanding (in shares) \| shares	5,737,000	5,737,000	5,808,000
Aggregate intrinsic value, vested		$ 1,500,000,000	$ 2,100,000,000	$ 1,800,000,000
Aggregate intrinsic value, outstanding	$ 2,200,000,000	2,200,000,000
Aggregated intrinsic value, expected to vest	1,900,000,000	$ 1,900,000,000
Weighted-average grant date fair value, granted (in USD per share) \| $ / shares		$ 541.24	$ 577.26	$ 367.52
Unrecognized compensation expense expected to be recognized	$ 2,200,000,000	$ 2,200,000,000
Performance shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Performance target (in percent)		100.00%
Vesting period (in years)		2 years
Allocated share-based compensation expense		$ 121,000,000	$ 124,000,000	$ 70,000,000
2012 Employee Stock Purchase Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common stock purchase price, percentage		85.00%
Award offering period		6 months
Number of shares of common stock outstanding, increase, percentage		1.00%
2005 Stock Plan and 2012 Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock options granted to new employees vest, percentage per annum		25.00%
Requisite service period to vest employment continuation period		3 years
2021 Performance Awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Service period (in years)		2 years
2021 Performance Awards \| Common stock options \| Chief Executive Officer \| Tranche one
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting percentage	12.50%
2021 Performance Awards \| Common stock options \| Chief Executive Officer \| Tranche two
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting percentage	12.50%
2021 Performance Awards \| Common stock options \| Chief Executive Officer \| Tranche three
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting percentage	12.50%
2021 Performance Awards \| Common stock options \| Chief Executive Officer \| Tranche four
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting percentage	12.50%
2021 Performance Awards \| Common stock options \| Chief Executive Officer \| Tranche five
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting percentage	12.50%
2021 Performance Awards \| Common stock options \| Chief Executive Officer \| Tranche six
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting percentage	12.50%
2021 Performance Awards \| Common stock options \| Chief Executive Officer \| Tranche seven
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting percentage	12.50%
2021 Performance Awards \| Common stock options \| Chief Executive Officer \| Tranche eight
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting percentage	12.50%
2021 Performance Awards \| ESPP obligations \| Chief Executive Officer
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares granted, value, share-based payment arrangement, before forfeiture			$ 232,000,000
Number of vesting tranches			8
2021 Performance Awards \| Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Performance target (in percent)		0.00%	0.00%
2021 Performance Awards \| Minimum \| ESPP obligations \| Chief Executive Officer
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Description of service or performance condition required to be met for earning right to award under share-based payment arrangement. Includes, but is not limited to, combination of market, performance or service condition			2 years
2021 Performance Awards \| Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Performance target (in percent)		200.00%	200.00%