Borrowings - Schedule of Borrowings (Details) - USD ($) $ in Millions		9 Months Ended
	Apr. 13, 2016	Sep. 30, 2016	Jan. 15, 2016	Dec. 31, 2015	Nov. 25, 2015
Short-term borrowings:
Total Short-term borrowings		$ 277		$ 43
Unamortized deferred financing costs		(2)		0
Current portion of long-term borrowings:
Unamortized discount and unamortized deferred financing costs		0		(10)
Other arrangements		16		0
Capital lease obligations		84		73
Total Current portion of long-term borrowings		100		813
Total Short-term and current portion of long-term borrowings		377		856
Long-term borrowings:
Total Long-term borrowings		18,514		18,737
Unamortized discount and unamortized deferred financing costs		(171)		(174)
Other arrangements		27		0
Capital lease obligations		171		122
Total Borrowings		18,891		19,593
Long-term borrowings		19,100		19,600
Secured debt | 8.75% Senior secured second lien notes due 2022
Current portion of long-term borrowings:
8.75% Senior secured second lien notes due 2022		$ 0		750
Long-term borrowings:
Interest rate (as a percent)		8.75%	8.75%
Secured debt | Senior secured term loan facility due March 2018 at LIBOR and euro LIBOR plus 3.5% or, solely with respect to U.S. dollar-denominated term loans, a base rate plus 2.5%
Long-term borrowings:
Total Long-term borrowings		$ 0		4,938
Secured debt | Senior secured term loan facility due March 2018 at LIBOR and euro LIBOR plus 3.5% or, solely with respect to U.S. dollar-denominated term loans, a base rate plus 2.5% | Euro LIBOR
Long-term borrowings:
Basis spread on variable rate (as a percent)		3.50%
Secured debt | Senior secured term loan facility due March 2018 at LIBOR and euro LIBOR plus 3.5% or, solely with respect to U.S. dollar-denominated term loans, a base rate plus 2.5% | Base Rate
Long-term borrowings:
Basis spread on variable rate (as a percent)		2.50%
Secured debt | Senior secured term loan facility due September 2018 at LIBOR plus 3.5% or a base rate plus 2.5%
Long-term borrowings:
Total Long-term borrowings		$ 0		1,008
Secured debt | Senior secured term loan facility due September 2018 at LIBOR plus 3.5% or a base rate plus 2.5% | LIBOR
Long-term borrowings:
Basis spread on variable rate (as a percent)		3.50%
Secured debt | Senior secured term loan facility due September 2018 at LIBOR plus 3.5% or a base rate plus 2.5% | Base Rate
Long-term borrowings:
Basis spread on variable rate (as a percent)		2.50%
Secured debt | Senior secured term loan facility due March 2021 at LIBOR and euro LIBOR plus 4.0% or, solely with respect to U.S. dollar-denominated term loans, a base rate plus 3.0%
Long-term borrowings:
Total Long-term borrowings		$ 4,541		1,171
Secured debt | Senior secured term loan facility due March 2021 at LIBOR and euro LIBOR plus 4.0% or, solely with respect to U.S. dollar-denominated term loans, a base rate plus 3.0% | LIBOR
Long-term borrowings:
Basis spread on variable rate (as a percent)	4.00%
Secured debt | Senior secured term loan facility due March 2021 at LIBOR and euro LIBOR plus 4.0% or, solely with respect to U.S. dollar-denominated term loans, a base rate plus 3.0% | Euro LIBOR
Long-term borrowings:
Basis spread on variable rate (as a percent)		4.00%
Secured debt | Senior secured term loan facility due March 2021 at LIBOR and euro LIBOR plus 4.0% or, solely with respect to U.S. dollar-denominated term loans, a base rate plus 3.0% | Base Rate
Long-term borrowings:
Basis spread on variable rate (as a percent)	3.00%	3.00%
Secured debt | Senior secured term loan facility due July 2022 at LIBOR and euro LIBOR plus 3.75% or, solely with respect to U.S. dollar-denominated term loans, a base rate plus 2.75%
Long-term borrowings:
Total Long-term borrowings		$ 3,838		2,464
Secured debt | Senior secured term loan facility due July 2022 at LIBOR and euro LIBOR plus 3.75% or, solely with respect to U.S. dollar-denominated term loans, a base rate plus 2.75% | Euro LIBOR
Long-term borrowings:
Basis spread on variable rate (as a percent)		3.75%
Secured debt | Senior secured term loan facility due July 2022 at LIBOR and euro LIBOR plus 3.75% or, solely with respect to U.S. dollar-denominated term loans, a base rate plus 2.75% | Base Rate
Long-term borrowings:
Basis spread on variable rate (as a percent)		2.75%
Secured debt | 6.75% Senior secured first lien notes due 2020
Long-term borrowings:
Total Long-term borrowings		$ 1,398		1,398
Interest rate (as a percent)		6.75%
Secured debt | 5.375% Senior secured first lien notes due 2023
Long-term borrowings:
Total Long-term borrowings		$ 1,210		1,210
Interest rate (as a percent)		5.375%
Secured debt | 5.0% Senior secured first lien notes due 2024
Long-term borrowings:
Total Long-term borrowings		$ 1,900		1,000
Interest rate (as a percent)		5.00%			5.00%
Secured debt | 5.75% Senior secured second lien notes due 2024
Long-term borrowings:
Total Long-term borrowings		$ 2,200		2,200
Interest rate (as a percent)		5.75%
Unsecured debt | 7.0% Senior unsecured notes due 2023
Long-term borrowings:
Total Long-term borrowings		$ 3,400		3,400
Interest rate (as a percent)		7.00%
Foreign lines of credit and other arrangements
Short-term borrowings:
Total Short-term borrowings		$ 71		43
Accounts receivable securitized loan
Short-term borrowings:
Total Short-term borrowings		$ 208		$ 0
Accounts receivable securitized loan | LIBOR
Long-term borrowings:
Basis spread on variable rate (as a percent)		2.00%
Accounts receivable securitized loan | Federal Funds Rate
Long-term borrowings:
Basis spread on variable rate (as a percent)		0.50%