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- Definition

Amended LTIP Plan Award Granted As Other Than Option Or Stock Appreciation Right

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Number of years holders of LTIP options who remain actively employed, are eligible for dividend equivalent payments on a particular stock option grant.

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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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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 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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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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- Definition

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

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- Definition

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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The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

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The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan.

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Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding.

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Period from grant date that an equity-based award expires, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of vested portions of options outstanding and currently exercisable.

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Weighted average remaining contractual term for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Weighted average remaining contractual term of exercisable stock options, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Stock-Based Compensation - Narrative (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]
Maximum number of shares available for grant (in shares)	104,125,000
Available for future grants (in shares)	7,731,573
Amended LTIP plan-award granted as an option or stock appreciation right (in shares)	1
Amended LTIP plan - award granted in a form other than option or stock appreciation right (in shares)	1.61
Aggregate intrinsic value of options outstanding	$ 66
Weighted average remaining contractual term of options outstanding	4 years
Number of shares exercisable (in shares)	570,428
Aggregate intrinsic value of options exercisable	$ 66
Exercisable weighted average exercise price (in dollars per share)	$ 123.27
Weighted average remaining contractual term of options exercisable	1 year 7 months 6 days
Stock options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation related to stock options granted	$ 3
Unrecognized compensation, weighted average period of recognition	2 years 4 months 24 days
Stock options \| Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period (in years)	1 year
Stock options \| Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expiration period (in years)	10 years
Restricted Stock Units (RSUs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period (in years)	4 years
Unrecognized compensation related to stock options granted	$ 45
Unrecognized compensation, weighted average period of recognition	2 years 6 months
Performance Share Units (PSUs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation related to stock options granted	$ 2
Unrecognized compensation, weighted average period of recognition	1 year 8 months 12 days
PSU cycle	3 years
LTIP
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Available for future grants (in shares)	7,731,573	8,238,993	8,609,075
LTIP \| Stock options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
LTIP dividend equivalent payment, in years	4 years
Dividend yield for period dividend equivalents paid	2.24%	1.85%	1.64%
LTIP \| Stock options \| Options during vesting period
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Dividend yield for period dividend equivalents paid	0.00%
TSOP
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Maximum number of shares available for grant (in shares)	6,000,000
Available for future grants (in shares)	436,571	436,402	435,867