Taxes on Earnings from Continuing Operations - Unrecognized Tax Benefits (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020
Reconciliation of Unrecognized Tax Benefits
Balance at the beginning of the period	$ 1,210	$ 1,175
Increase due to current year tax positions	143	190
Increase due to prior year tax positions	748	97
Decrease due to prior year tax positions	(119)	(144)
Settlements	(35)	(27)
Lapse of statute	(39)	(81)
Balance at the end of the period	1,908	$ 1,210
Unrecognized tax benefits that would impact effective tax rate	1,120
Minimum
Reconciliation of Unrecognized Tax Benefits
Decrease reasonably possible in gross unrecognized tax benefits	50
Maximum
Reconciliation of Unrecognized Tax Benefits
Decrease reasonably possible in gross unrecognized tax benefits	60
International
Reconciliation of Unrecognized Tax Benefits
Increase due to prior year tax positions	$ 714

Amount of decrease reasonably possible in the next twelve months for the unrecognized tax benefit.

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Amount of unrecognized tax benefits.

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Amount of increase in unrecognized tax benefits resulting from tax positions that have been or will be taken in current period tax return.

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Amount of decrease in unrecognized tax benefits resulting from lapses of applicable statutes of limitations.

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The total amount of unrecognized tax benefits that, if recognized, would affect the effective tax rate.

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