Supplemental Balance Sheet Information (Details 2) $ in Millions		3 Months Ended	9 Months Ended
		Sep. 30, 2017 USD ($) restaurants	Sep. 30, 2016 USD ($)	Dec. 31, 2016 USD ($)	Dec. 31, 2015 USD ($)
Cash and Cash Equivalents, at Carrying Value		$ 980		$ 725
Property, plant and equipment, gross		3,622		4,108
Accumulated depreciation and amortization		(1,761)		(1,995)
Property, plant and equipment, net		1,861		2,113
Prepaid expenses and other current assets [Member]
Restricted Cash and Cash Equivalents	[1]	54		55
Assets held for sale		160		57
Other Current Assets [Member]
Restricted Cash and Cash Equivalents	[2]	17		51
Continuing Operations [Member]
Cash, Cash Equivalents and Restricted Cash as presented in the Consolidated Statement of Cash Flows		$ 1,051	$ 1,594	$ 831	$ 351
KFC Global Division [Member] | Disposal Group, Held-for-sale, Not Discontinued Operations [Member]
Number of Restaurants Held For Sale | restaurants		520
Unallocated [Member] | Disposal Group, Held-for-sale, Not Discontinued Operations [Member]
Depreciation		$ (5)	$ (5)

[1] Restricted cash within Prepaid expenses and other current assets primarily relates to the Taco Bell Securitization interest reserves.

[2] Primarily trust accounts related to our self-insurance program and cash balances required, to the extent necessary, to meet statutory minimum net worth requirements for legal entities which enter into U.S. franchise agreements.