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Incentive Stock Program - Expense (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Incentive Stock Programs
Total non-cash compensation expense charged against income	$ 546	$ 519	$ 477
Tax benefit recognized in total non-cash compensation expense	$ 200	$ 197	$ 185

X

- Definition

Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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-Publisher FASB
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-Topic 718
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Amount of tax benefit for recognition of expense of award under share-based payment arrangement.

+ References

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-Name Accounting Standards Codification
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-SubTopic 10
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