Summary of Significant Accounting Policies (Details 2) $ in Millions	3 Months Ended																12 Months Ended
	Dec. 31, 2019 USD ($)		Sep. 30, 2019 USD ($)		Jun. 30, 2019 USD ($)		Mar. 31, 2019 USD ($)		Dec. 31, 2018 USD ($)		Sep. 30, 2018 USD ($)		Jun. 30, 2018 USD ($)		Mar. 31, 2018 USD ($)		Dec. 31, 2019 USD ($) Years		Dec. 31, 2018 USD ($)		Dec. 31, 2017 USD ($)
Fiscal Period Adjustment [Line Items]
Goodwill Written Off Related To Sale Of Business Unit Years From Acquisition | Years																	2
Revenues | $	$ 1,694		$ 1,339		$ 1,310		$ 1,254		$ 1,558		$ 1,391		$ 1,368		$ 1,371		$ 5,597		$ 5,688		$ 5,878
Restaurant Profit | $	105		72		73		61		101		100		91		74		311		366
Operating Profit | $	$ 546	[1]	$ 480	[1]	$ 471	[1]	$ 433	[1]	$ 741	[2]	$ 553	[2]	$ 449	[2]	$ 553	[2]	$ 1,930	[1]	$ 2,296	[2]	$ 2,761
Fair Value Goodwill Written Off Related To Sale Of Business Unit Minimum Years Refranchised | Years																	2
Number of years notes receivable and direct financing leases are beyond and would be included in other assets | Years																	1
Number of years notes receivable and direct financing leases are due within and would be included in accounts and notes receivable | Years																	1
Number Of Consecutive Years Used As Primary Indicator Of Potential Impairment Of Restaurant Assets | Years																	2
53rd Week Impact [Member]
Fiscal Period Adjustment [Line Items]
Revenues | $																	$ 66
Operating Profit | $																	$ 24

[1] Includes net gains from refranchising initiatives of $6 million, $4 million, $8 million and $19 million in the first, second, third and fourth quarters, respectively.

[2] Includes net gains from refranchising initiatives of $156 million, $29 million, $100 million and $255 million in the first, second, third and fourth quarters, respectively.