Derivative Instruments (Details) shares in Millions, $ in Millions		3 Months Ended
		Mar. 31, 2018 USD ($) shares	Mar. 31, 2017 USD ($)	Dec. 31, 2017 USD ($)
Derivative, Notional Amount		$ 200
Derivative, Nonmonetary Notional Amount | shares		2.8
Derivative Asset, Fair Value, Gross Asset		$ 66
Other investment (income) expense, net		(66)	$ (1)
Secured Debt [Member] | Term Loan B Facility [Member]
Long-term Debt	[1]	1,970		$ 1,975
Cash Flow Hedging [Member]
Cash Flow Hedge Gain (Loss) to be Reclassified within Twelve Months		$ 18
Cash Flow Hedging [Member] | Interest Rate Swap [Member]
Derivative, Maturity Date		Jul. 27, 2021
Derivative, Notional Amount		$ 1,550
Gain (Loss) on Cash Flow Hedge Ineffectiveness, Net		$ 0
Maximum [Member] | Cash Flow Hedging [Member] | Foreign Exchange Contract [Member]
Derivative, Maturity Date		Jun. 12, 2020
Intercompany receivables and payables [Domain] | Cash Flow Hedging [Member] | Foreign Exchange Contract [Member]
Derivative, Notional Amount		$ 456		$ 456

[1] We estimated the fair value of the YUM and Subsidiary Senior Unsecured Notes, Term Loan A Facility, and Term Loan B Facility using market quotes and calculations based on market rates.