Other Income, Net (Parenthetical) (Details) - USD ($) $ in Millions	Mar. 31, 2021	Mar. 31, 2020
Suzhou KFC [Member] \| Reacquired Franchise Rights [Member]
Other Operating Income Expense Net [Line Items]
Purchase price allocated to intangible assets	$ 61	$ 61

The amount of identifiable intangible assets recognized as of the acquisition date.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 55
-Paragraph 37
-URI http://asc.fasb.org/extlink&oid=121600890&loc=d3e2207-128464

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=121647850&loc=d3e4845-128472

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant