The cumulative cost of shares repurchased under a share repurchase program.

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- Definition

Cumulative number of shares that have been repurchased under a share repurchase program and are being held in treasury.

+ References

No definition available.

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- Definition

Cumulative number of shares of common and preferred stock retired from treasury.

+ References

No definition available.

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- Definition

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.

+ References

No definition available.

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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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- Definition

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

+ References

No definition available.

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- Definition

Number of treasury shares or units reissued. Excludes reissuance of shares or units in treasury for award under share-based payment arrangement.

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- Definition

The number of shares authorized to be repurchased by an entity's Board of Directors under a stock repurchase plan.

+ References

No definition available.

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- Definition

Number of common and preferred shares that were previously issued and that were repurchased by the issuing entity and held in treasury on the financial statement date. This stock has no voting rights and receives no dividends.

+ References

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Number of shares that have been repurchased during the period and are being held in treasury.

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- Definition

Equity impact of the cost of common and preferred stock that were repurchased during the period. Recorded using the cost method.

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Capital Stock - Narrative (Details) - USD ($) $ in Millions			12 Months Ended
Capital Stock - Narrative (Details) - USD ($) $ in Millions	May 01, 2024	May 01, 2014	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Incentive Plans
Number of shares repurchased (in shares)			0	25,500,000	38,500,000
Cost of shares repurchased				$ 488.5	$ 904.1
Treasury stock, number of shares authorized to be repurchased (in shares)			11,000,000.0
Cumulative number of shares repurchased under a share repurchase program (in shares)			99,000,000.0
Treasury stock, cumulative shares retired (in shares)			20,000,000.0
Cumulative cost of shares repurchased under a share repurchase program			$ 1,900.0
Treasury stock reissued (in shares)			0
Shares held as treasury stock (in shares)			78,957,318	78,957,318
2014 Incentive Plan
Incentive Plans
Number of shares reserved for issuance (in shares)		18,000,000.0
Number of shares available for issuance (in shares)			11,100,000
2014 Incentive Plan \| Stock Options \| Maximum
Incentive Plans
Number of shares reserved for issuance (in shares)		10,000,000.0
2004 Incentive Plan
Incentive Plans
Additional awards granted (in shares)		0
Scenario Forecast \| 2014 Incentive Plan
Incentive Plans
Additional awards granted (in shares)	0