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Stock Repurchase Program (Details) - USD ($) shares in Millions	3 Months Ended				6 Months Ended
	Jun. 30, 2022	Mar. 31, 2022	Jun. 30, 2021	Mar. 31, 2021	Jun. 30, 2022	Jun. 30, 2021	Mar. 29, 2022
Equity [Abstract]
Stock repurchased and retired during period (in shares)					5.7	5.7
Stock repurchased and retired during period, cost	$ 854,000,000	$ 600,000,000	$ 934,000,000	$ 591,000,000	$ 1,500,000,000	$ 1,500,000,000
Stock repurchase program, authorized amount							$ 10,000,000,000

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Amount of stock repurchase plan authorized.

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Number of shares that have been repurchased and retired during the period.

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Equity impact of the value of stock that has been repurchased and retired during the period. The excess of the purchase price over par value can be charged against retained earnings (once the excess is fully allocated to additional paid in capital).

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