Stock Compensation - Exercise Price Range (Details) - Employee Stock Option - Long-term incentive and director compensation plans - $ / shares shares in Millions	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Exercise Price Range, Minimum (in dollars per share)	$ 28.13
Exercise Price Range, Maximum (in dollars per share)	$ 193.58
Number Outstanding (Shares)	25	28
Weighted Average Remaining Contractual Life (Years)	5 years 6 months
Options Outstanding Weighted Average Exercise Price per Share (in dollars per share)	$ 91.58	$ 79.69

Number of options outstanding, including both vested and non-vested options.

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Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

+ References

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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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No definition available.

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The floor of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range.

+ References

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The ceiling of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range.

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

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