Borrowings - Schedule of Borrowings (Details) - USD ($) $ in Millions			12 Months Ended
	Dec. 05, 2016	Jun. 02, 2016	Dec. 31, 2016	Mar. 29, 2016	Jan. 15, 2016	Dec. 31, 2015	Nov. 25, 2015	Nov. 18, 2015
Short-term borrowings:
Total short-term borrowings			$ 242			$ 43
Unamortized deferred financing costs			(2)			0
Current portion of long-term borrowings:
Unamortized discount and unamortized deferred financing costs (a)			0			(10)
Other arrangements and capital lease obligations			116			73
Total current portion of long-term borrowings			116			813
Total short-term and current portion of long-term borrowings			358			856
Long-term borrowings:
Total Long-term borrowings			18,131			18,737
Unamortized discount and unamortized deferred financing costs			(154)			(174)
Other arrangements and capital lease obligations			215			122
Total Borrowings			18,489			19,593
Fair value of long-term borrowings			18,800			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 (percent)			8.75%		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 (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 (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 (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 (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			$ 0			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% | Euro LIBOR
Long-term borrowings:
Basis spread on variable rate (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 (percent)			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			$ 0			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 (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 (percent)			2.75%
Secured debt | Senior secured term loan facility due March 2021 at LIBOR and euro LIBOR plus 3.0% or, solely with respect to U.S. dollar-denominated term loans, a base rate plus 2.0%
Long-term borrowings:
Total Long-term borrowings			$ 4,379			0
Secured debt | Senior secured term loan facility due March 2021 at LIBOR and euro LIBOR plus 3.0% or, solely with respect to U.S. dollar-denominated term loans, a base rate plus 2.0% | LIBOR
Long-term borrowings:
Basis spread on variable rate (percent)			3.00%
Secured debt | Senior secured term loan facility due March 2021 at LIBOR and euro LIBOR plus 3.0% or, solely with respect to U.S. dollar-denominated term loans, a base rate plus 2.0% | Euro LIBOR
Long-term borrowings:
Basis spread on variable rate (percent)			3.00%
Secured debt | Senior secured term loan facility due March 2021 at LIBOR and euro LIBOR plus 3.0% or, solely with respect to U.S. dollar-denominated term loans, a base rate plus 2.0% | Base rate
Long-term borrowings:
Basis spread on variable rate (percent)			2.00%
Secured debt | Senior secured term loan facility due July 2022 at LIBOR plus 3.0% or a base rate plus 2.0%, or solely with respect to euro-denominated term loans, euro LIBOR plus 3.25%
Long-term borrowings:
Total Long-term borrowings			$ 3,583			0
Secured debt | Senior secured term loan facility due July 2022 at LIBOR plus 3.0% or a base rate plus 2.0%, or solely with respect to euro-denominated term loans, euro LIBOR plus 3.25% | LIBOR
Long-term borrowings:
Basis spread on variable rate (percent)	3.00%	3.75%	3.00%
Secured debt | Senior secured term loan facility due July 2022 at LIBOR plus 3.0% or a base rate plus 2.0%, or solely with respect to euro-denominated term loans, euro LIBOR plus 3.25% | Euro LIBOR
Long-term borrowings:
Basis spread on variable rate (percent)	3.25%		3.25%
Secured debt | Senior secured term loan facility due July 2022 at LIBOR plus 3.0% or a base rate plus 2.0%, or solely with respect to euro-denominated term loans, euro LIBOR plus 3.25% | Base rate
Long-term borrowings:
Basis spread on variable rate (percent)			2.00%
Secured debt | 6.75% Senior secured first lien notes due 2020
Long-term borrowings:
Total Long-term borrowings			$ 1,398			1,398
Interest rate (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 (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 (percent)			5.00%	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 (percent)			5.75%				5.75%
Secured debt | 7.0% Senior unsecured notes due 2023
Long-term borrowings:
Interest rate (percent)								7.00%
Unsecured debt | 7.0% Senior unsecured notes due 2023
Long-term borrowings:
Total Long-term borrowings			$ 3,400			3,400
Interest rate (percent)			7.00%
Foreign lines of credit and other arrangements
Short-term borrowings:
Total short-term borrowings			$ 84			43
Accounts receivable securitized loan at LIBOR plus 200 basis points or a base rate equal to the highest of (i) the applicable lender's prime rate, or (ii) the federal funds rate plus 0.50%
Short-term borrowings:
Total short-term borrowings			$ 160			$ 0
Accounts receivable securitized loan at LIBOR plus 200 basis points or a base rate equal to the highest of (i) the applicable lender's prime rate, or (ii) the federal funds rate plus 0.50% | LIBOR
Long-term borrowings:
Basis spread on variable rate (percent)			2.00%
Accounts receivable securitized loan at LIBOR plus 200 basis points or a base rate equal to the highest of (i) the applicable lender's prime rate, or (ii) the federal funds rate plus 0.50% | Federal Funds rate
Long-term borrowings:
Basis spread on variable rate (percent)			0.50%