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Percentage Of After Tax Net Profit To Be Retain By Executive Officer To Achieve Ownership Position

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Percent of performance measure based on cumulative adjusted earnings per share metric

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Percent of performance measure based on relative total shareholder return

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Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Period Expected For Vesting

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Share-based Compensation Arrangement by Share-based Payment Award, Average Award Vesting Period

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Share-based Compensation Arrangement by Share-based Payment Award, Grants, Fair Value

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Total Fair Value of In-The-Money Options

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Unrecognized cost of unvested share-based compensation awards.

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Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Amount of tax benefit from exercise of stock options granted under share-based compensation arrangement.

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Amount of cash inflow from exercise of stock options granted under share-based compensation arrangement.

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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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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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The maximum number of shares (or other type of equity) originally approved (usually by shareholders and board of directors), net of any subsequent amendments and adjustments, for awards under the equity-based compensation plan. As stock or unit options and equity instruments other than options are awarded to participants, the shares or units remain authorized and become reserved for issuance under outstanding awards (not necessarily vested).

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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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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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Amount by which current fair value of underlying stock exceeds exercise price of fully vested and expected to vest options outstanding. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.

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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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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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Stock-Based Compensation (Narrative) (Details) - USD ($)	1 Months Ended			12 Months Ended
	Jan. 31, 2019	Jan. 31, 2018	Jan. 31, 2017	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
2019 Omnibus Incentive Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares available for grant				7,266,822
Number of shares authorized				7,300,000
Employee Stock Option [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested in Period, Fair Value				$ 5,000,000	$ 4,000,000	$ 6,000,000
Expiration of stock-based awards				10 years
Percentage of after tax net profit to be retained by the executive officer to achieve ownership position				75.00%
Weighted-average grant-date fair value of options granted (in USD per share)				$ 8.32	$ 6.99	$ 6.54
Total intrinsic value of options exercised				$ 29,000,000	$ 19,000,000	$ 11,000,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Aggregate Intrinsic Value				101,178,880
Total Fair Value of In-The-Money Options				101,000,000
Cost related to non-vested stock options outstanding not yet recognized				$ 6,000,000
Recognition period				1 year 8 months 26 days
Proceeds from Stock Options Exercised				$ 93,000,000
Employee Service Share-based Compensation, Tax Benefit Realized from Exercise of Stock Options (Deprecated 2017-01-31)				7,000,000
Incentive Stock Options [Member] \| 2014-2016 Long-Term Performance Unit Program [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted-average grant-date fair value of options granted (in USD per share)			$ 71.89
Long term incentive plan awards (in shares)			86,964
Incentive Stock Options [Member] \| 2015-2017 Long-Term Performance Unit Program [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted-average grant-date fair value of options granted (in USD per share)		$ 78.51
Long term incentive plan awards (in shares)		50,812
Incentive Stock Options [Member] \| 2016-2018 Long-Term Performance Unit Program [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted-average grant-date fair value of options granted (in USD per share)	$ 86.03
Long term incentive plan awards (in shares)	226,208
Restricted Awards [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Grants, Fair Value				34,000,000	28,000,000	29,000,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested in Period, Fair Value				25,000,000	25,000,000	24,000,000
Restricted Awards [Member] \| Equity Ownership And Long Term Cash Incentive Plan 2015 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares available for grant	355,537
Weighted-average grant-date fair value of options granted (in USD per share)	$ 89.19
Long Term Incentive Plan [Member] \| Equity Ownership And Long Term Cash Incentive Plan 2015 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Grants, Fair Value				$ 23,000,000	16,000,000	19,000,000
Percent of performance measure based on relative total shareholder return				80.00%
Percent of performance measure based on cumulative adjusted metric				20.00%
Long term incentive plan awards (in shares)	180,824
Restricted Stock Units (RSUs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Grants, Fair Value				$ 3,000,000	2,000,000	3,000,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested in Period, Fair Value				$ 6,000,000	$ 3,000,000	$ 400,000
Average award vesting period				35 months
Number of unvested restricted units expected to vest				130,463
Period expected for vesting unvested restricted units				19 months
Performance measure based on relative total shareholder return [Member] \| Equity Ownership And Long Term Cash Incentive Plan Two Thousand Fifteen [Member] \| Long Term Incentive Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value	$ 102.07
Performance measure based on cumulative adjusted earnings per share metric [Member] \| Equity Ownership And Long Term Cash Incentive Plan Two Thousand Fifteen [Member] \| Long Term Incentive Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value	$ 89.19