Segment Reporting (Parenthetical) (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Jun. 30, 2021	Jun. 30, 2021
Segment Reporting Information [Line Items]
Equity income from investments in unconsolidated affiliates		$ 27
KFC [Member]
Segment Reporting Information [Line Items]
Equity income from investments in unconsolidated affiliates	$ 13	$ 32

Amount of income (loss) for proportionate share of equity method investee's income (loss).

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