Supplemental Cash Flow Data (Details) - USD ($) $ in Millions		12 Months Ended
		Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Cash Paid For:
Interest Paid, Excluding Capitalized Interest, Operating Activities		$ 480	$ 497	$ 455
Income taxes		328	283	279
Significant Non-Cash Investing and Financing Activities:
Capital lease obligations incurred		4	14	4
Capital lease and other debt obligations transferred through refranchising		(1)	(1)	(24)
Noncash or Part Noncash Divestiture, Amount of Consideration Received	[1]	31	6	0
Cash and Cash Equivalents, at Carrying Value		730	605	292
Restricted Cash and Cash Equivalents, Current		258	138
Cash, Cash Equivalents and Restricted Cash as presented in the Consolidated Statement of Cash Flows		1,024	768	474
Prepaid Expenses and Other Current Assets [Member]
Significant Non-Cash Investing and Financing Activities:
Restricted Cash and Cash Equivalents, Current	[2]	258	138	151
Other Assets [Member]
Significant Non-Cash Investing and Financing Activities:
Restricted Cash and Cash Equivalents, Noncurrent	[3]	$ 36	$ 25	$ 31

[1] In 2020 we received as refranchising consideration a minority interest in an entity that operates KFC and Pizza Hut franchised units in India and in 2019 we received as refranchising consideration a minority interest in an entity that owns our KFC Brazil and Pizza Hut Brazil master franchisee rights, respectively (See Note 5).

[2] Restricted cash within Prepaid expenses and other current assets reflects cash related to advertising cooperatives that we consolidate that can only be used to settle obligations of the respective cooperatives and Taco Bell Securitization interest reserves (See Note 11).

[3] Primarily trust accounts related to our self-insurance program.