Discontinued Operations (Details) $ in Millions		3 Months Ended								12 Months Ended
		Dec. 31, 2018 USD ($) restaurants	Sep. 30, 2018 USD ($)	Jun. 30, 2018 USD ($)	Mar. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)	Sep. 30, 2017 USD ($)	Jun. 30, 2017 USD ($)	Mar. 31, 2017 USD ($)	Dec. 31, 2018 USD ($) restaurants	Dec. 31, 2017 USD ($)	Dec. 31, 2016 USD ($)
Income Statement [Abstract]
Company restaurant expenses										$ (1,634)
General and administrative expenses										(895)
Franchise and license expenses										(188)	$ (237)	$ (201)
Refranchising (gain) loss		$ 255	$ 100	$ 29	$ 156	$ 752	$ 201	$ 19	$ 111	540	1,083	163
Interest income	[1]									(452)	(445)	(307)
Income tax provision										(297)
Income from discontinued operations - YUM! Brands, Inc.												625
Disposal Group, Including Discontinued Operation, Balance Sheet Disclosures [Abstract]
Cash and cash equivalents		292								292
Accounts and notes receivable, net		561								561
Prepaid expenses and other current assets		354								354
Total Current Assets		1,207				2,507				1,207	2,507
Property, Plant and equipment, net		1,237								1,237
Goodwill		525								525
Intangible assets, net		242								242
Other assets		724								724
Deferred income taxes		195								195
Total assets classified as discontinued operations		4,130				5,311				4,130	5,311
Accounts payable and other current liabilities		911								911
Total liabilities of discontinued operations		$ 12,056				11,645				$ 12,056	11,645
Number of Stores | restaurants		48,000								48,000
Continuing Operations [Member]
Income Statement [Abstract]
Company restaurant expenses										$ (1,634)	(2,954)	(3,489)
General and administrative expenses										(895)	(999)	(1,129)
Closures and impairment expenses										7	10	18
Refranchising (gain) loss										540	1,083	163
Interest income										(452)	(445)	(307)
Income tax provision										(297)	(934)	(327)
Disposal Group, Including Discontinued Operation, Balance Sheet Disclosures [Abstract]
Cash and cash equivalents		$ 292				1,522				292	1,522	725
Accounts and notes receivable, net		561				400				561	400
Prepaid expenses and other current assets		354				384				354	384
Property, Plant and equipment, net		1,237				1,594				1,237	1,594
Goodwill	[2]	525				512				525	512	536
Intangible assets, net		242				214				242	214
Other assets		724				345				724	345
Deferred income taxes		195				139				195	139
Total assets classified as discontinued operations		4,130				5,311				4,130	5,311
Accounts payable and other current liabilities		911				813				911	813
Other liabilities and deferred credits		1,004				704				1,004	704
Discontinued Operations [Member]
Income Statement [Abstract]
Company restaurant expenses	[3]											(4,766)
General and administrative expenses	[3],[4]											(406)
Franchise and license expenses	[3]											(45)
Closures and impairment expenses	[3],[5]											(8)
Refranchising (gain) loss	[3]											12
Interest income	[3]											8
Income from discontinued operations before income taxes	[3]											571
Income tax provision	[3],[6]											65
Income from discontinued operations - including noncontrolling interests	[3]											636
Income (loss) from discontinued operations - noncontrolling interests	[3]											(11)
Income from discontinued operations - YUM! Brands, Inc.										0	0	625	[3]
Costs associated with the planned spin-off of the China business												68
Little Sheep [Member] | Discontinued Operations [Member]
Income Statement [Abstract]
Income tax provision												233
Restatement Adjustment [Member]
Income Statement [Abstract]
Refranchising (gain) loss												24
Income from discontinued operations - YUM! Brands, Inc.												0
CHINA | Continuing Operations [Member]
Income Statement [Abstract]
Discontinued Operation, Amount of Continuing Cash Flows after Disposal										233	217	16
Product [Member]
Income Statement [Abstract]
Company sales		477	499	512	512	890	871	909	902	2,000	3,572	4,189
Product [Member] | Discontinued Operations [Member]
Income Statement [Abstract]
Company sales	[3]											5,667
Franchise and property revenue [Member]
Income Statement [Abstract]
Company sales		$ 709	$ 605	$ 584	$ 584	$ 687	$ 565	$ 539	$ 515	$ 2,482	$ 2,306	2,167
Franchise and property revenue [Member] | Discontinued Operations [Member]
Income Statement [Abstract]
Company sales	[3]											$ 109

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

[2] Goodwill, net includes $17 million of accumulated impairment losses for each year presented related to our Pizza Hut segment.

[3] Includes Yum China financial results from January 1, 2016 to October 31, 2016.

[4] Includes costs incurred to execute the Separation of $68 million for 2016. Such costs primarily relate to transaction advisors, legal and other consulting fees.

[5] Includes store closure and impairment expenses and equity income from KFC franchisees in which Yum China owns a minority interest.

[6] During 2016, we recorded a tax benefit of $233 million related to previously recorded losses associated with our Little Sheep business. The tax benefit associated with these losses was able to be recognized as a result of legal entity restructuring completed in anticipation of the Separation.