Segment Reporting (Details) - USD ($) $ in Millions		3 Months Ended		6 Months Ended
		Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018	Dec. 31, 2018
Segment Reporting Information [Line Items]
Revenues		$ 2,124	$ 2,068	$ 4,428	$ 4,289
Operating Profit		204	193	507	588
Unallocated Other revenues		1		2	1
Unallocated Other operating costs and expenses		(1)		(2)	(1)
Unallocated and corporate G&A expenses		(25)	(19)	(58)	(52)
Unallocated Other income (loss)	[1]		(2)	1	100
Interest income, net	[2]	10	10	19	18
Investment gain	[2]	17		27
Income Before Income Taxes		231	203	553	606
Impairment Charges		11	19	25	21
Total Assets		6,725		6,725		$ 4,610
KFC [Member]
Segment Reporting Information [Line Items]
Revenues		1,458	1,400	3,050	2,898
Pizza Hut [Member]
Segment Reporting Information [Line Items]
Revenues		510	528	1,053	1,093
All Other Segments [Member]
Segment Reporting Information [Line Items]
Revenues		22	18	45	38
Corporate and Unallocated [Member]
Segment Reporting Information [Line Items]
Revenues	[2]	134	122	280	260
Unallocated revenues from transactions with franchisees and unconsolidated affiliates	[3]	133	122	278	259
Unallocated revenues from transactions with franchisees and unconsolidated affiliates	[3]	(133)	(120)	(276)	(257)
Total Assets	[4]	2,528		2,528		2,175
Operating Segments [Member]
Segment Reporting Information [Line Items]
Revenues		2,124	2,068	4,428	4,289
Operating Segments [Member] | KFC [Member]
Segment Reporting Information [Line Items]
Revenues		1,458	1,400	3,050	2,898
Operating Profit	[5]	205	199	493	495
Impairment Charges	[6]	4	7	12	8
Total Assets	[7]	3,033		3,033		1,745
Operating Segments [Member] | Pizza Hut [Member]
Segment Reporting Information [Line Items]
Revenues		510	528	1,053	1,093
Operating Profit		29	19	79	53
Impairment Charges	[6]	6	12	11	13
Total Assets		1,003		1,003		558
Operating Segments [Member] | All Other Segments [Member]
Segment Reporting Information [Line Items]
Revenues		32	20	64	41
Operating Profit		(5)	(6)	(10)	(10)
Impairment Charges		1		2
Total Assets		161		161		$ 132
Elimination [Member]
Segment Reporting Information [Line Items]
Revenues		(10)	(2)	(19)	(3)
Elimination [Member] | All Other Segments [Member]
Segment Reporting Information [Line Items]
Revenues		(10)	2	19
Combined [Member]
Segment Reporting Information [Line Items]
Revenues		$ 2,134	$ 2,070	$ 4,447	$ 4,292

[1] Primarily includes gain from re-measurement of the previously held equity interest in connection with the acquisition of Wuxi KFC (See Note 2).

[2] Amounts have not been allocated to any segment for performance reporting purposes.

[3] Primarily includes revenues and associated expenses of transactions with franchisee and unconsolidated affiliates derived from the Company’s central procurement model whereby the Company centrally purchases substantially all food and paper products from suppliers and then sells and delivers to restaurants, including franchisees and unconsolidated affiliates. Amounts have not been allocated to any segment for purposes of making operating decisions or assessing financial performance as the transactions are deemed corporate revenues and expenses in nature.

[4] Primarily includes cash and cash equivalents, short-term investments, investment in equity securities, and inventories that are centrally managed.

[5] Includes equity income from investments in unconsolidated affiliates of $14 million and $12 million for the quarters ended June 30, 2019 and 2018, respectively, and $37 million and $35 million for the years to date ended June 30, 2019 and 2018, respectively.

[6] Primarily includes store closure impairment charges, incremental restaurant-level impairment charges as a result of adopting ASC 842 and restaurant-level impairment charges resulting from our semi-annual impairment evaluation (See Note 11).

[7] Includes investments in unconsolidated affiliates.