Debt (Details) $ / shares in Units, € in Millions			1 Months Ended
	Sep. 01, 2015 USD ($)	Apr. 22, 2015 item	Aug. 31, 2015 USD ($)	Mar. 31, 2016 EUR (€)	Mar. 31, 2016 USD ($) $ / shares	Feb. 03, 2016	Dec. 31, 2015 USD ($)	Mar. 31, 2015 USD ($)
Debt Instrument [Line Items]
Total long-term debt					$ 5,724,000,000		$ 5,413,000,000	$ 3,430,000,000
Less amounts due within one year					62,000,000		68,000,000	458,000,000
Long-term debt					5,662,000,000		5,345,000,000	2,972,000,000
Accounts receivable securitization
Short-term loans and long-term debt due within one year					239,000,000		228,000,000	635,000,000
The Agreement, Senior Secured Credit Facility
Debt Instrument [Line Items]
Leverage ratio, period one						500.00%
Leverage ratio, period two						450.00%
Leverage ratio, period three						400.00%
Unused Credit					$ 586,000,000
Number financial maintenance covenants | item		1
Net proceeds, after deducting debt issuance costs			$ 972,000,000
Accounts receivable securitization
Weighted average interest rate, short-term debt (as a percent)				2.53%	2.53%
Revolving Loans
Debt Instrument [Line Items]
Total long-term debt					$ 288,000,000
Revolving Loans | The Previous Agreement
Debt Instrument [Line Items]
Total long-term debt								264,000,000
Term Loan A
Debt Instrument [Line Items]
Total long-term debt					1,534,000,000		1,546,000,000
Face Value					1,575,000,000
Term Loan A (279 million EUR at March 31, 2016)
Debt Instrument [Line Items]
Total long-term debt				€ 279	309,000,000		301,000,000
Term Loan B (USD tranche)
Debt Instrument [Line Items]
Total long-term debt					558,000,000		563,000,000
Face Value					$ 575,000,000
Term Loan B (USD tranche) | The Previous Agreement
Debt Instrument [Line Items]
Total long-term debt								389,000,000
Term Loan B (USD tranche) | The Agreement, Senior Secured Credit Facility
Debt Instrument [Line Items]
Interest rate margin, Eurocurrency Rate loans (as a percent)		2.75%
Interest rate margin, Base Rate loans (as a percent)		1.75%
Term Loan C (CAD tranche) | The Previous Agreement
Debt Instrument [Line Items]
Total long-term debt								59,000,000
Term Loan D (EURO tranche) | The Previous Agreement
Debt Instrument [Line Items]
Total long-term debt								91,000,000
Senior Notes 3.00%, Exchangeable, due 2015
Debt Instrument [Line Items]
Total long-term debt								18,000,000
Interest rate, stated percentage				3.00%	3.00%
Senior Notes 7.375%, due 2016
Debt Instrument [Line Items]
Total long-term debt								595,000,000
Interest rate, stated percentage				7.375%	7.375%
Senior Notes 7.375%, due 2016 | The Previous Agreement
Debt Instrument [Line Items]
Interest rate, stated percentage		7.375%
Senior Notes 6.75%, due 2020 (500 million EUR)
Debt Instrument [Line Items]
Total long-term debt				€ 500	$ 561,000,000		542,000,000	534,000,000
Interest rate, stated percentage				6.75%	6.75%
Fair values of fixed rate debt obligations
Principal Amount					$ 566,000,000
Indicated Market Price (in dollars per share) | $ / shares					$ 117.13
Fair Value					$ 663,000,000
Senior Notes 4.875%, due 2021 (330 million EUR)
Debt Instrument [Line Items]
Total long-term debt				€ 330	$ 370,000,000		357,000,000	352,000,000
Interest rate, stated percentage				4.875%	4.875%
Fair values of fixed rate debt obligations
Principal Amount					$ 374,000,000
Indicated Market Price (in dollars per share) | $ / shares					$ 109.69
Fair Value					$ 410,000,000
Senior Notes 5.00%, due 2022
Debt Instrument [Line Items]
Total long-term debt					$ 494,000,000		494,000,000	493,000,000
Interest rate, stated percentage				5.00%	5.00%
Fair values of fixed rate debt obligations
Principal Amount					$ 500,000,000
Indicated Market Price (in dollars per share) | $ / shares					$ 101.25
Fair Value					$ 506,000,000
Senior Notes 5.875% due 2023
Debt Instrument [Line Items]
Total long-term debt					$ 680,000,000		680,000,000
Interest rate, stated percentage				5.875%	5.875%
Fair values of fixed rate debt obligations
Principal Amount					$ 700,000,000
Indicated Market Price (in dollars per share) | $ / shares					$ 104.38
Fair Value					$ 731,000,000
Senior Notes 5.375%, due 2025
Debt Instrument [Line Items]
Total long-term debt					$ 296,000,000		296,000,000	296,000,000
Interest rate, stated percentage				5.375%	5.375%
Fair values of fixed rate debt obligations
Principal Amount					$ 300,000,000
Indicated Market Price (in dollars per share) | $ / shares					$ 100.13
Fair Value					$ 300,000,000
Senior Notes 6.375%, due 2025
Debt Instrument [Line Items]
Total long-term debt					$ 294,000,000		293,000,000
Interest rate, stated percentage				6.375%	6.375%
Fair values of fixed rate debt obligations
Principal Amount					$ 300,000,000
Indicated Market Price (in dollars per share) | $ / shares					$ 105.13
Fair Value					$ 315,000,000
Senior Debentures 7.80%, due 2018
Debt Instrument [Line Items]
Total long-term debt					$ 250,000,000		250,000,000	249,000,000
Interest rate, stated percentage				7.80%	7.80%
Fair values of fixed rate debt obligations
Principal Amount					$ 250,000,000
Indicated Market Price (in dollars per share) | $ / shares					$ 110.45
Fair Value					$ 276,000,000
Capital leases
Debt Instrument [Line Items]
Total long-term debt					58,000,000		62,000,000	66,000,000
Other
Debt Instrument [Line Items]
Total long-term debt					32,000,000		29,000,000	24,000,000
Revolving Credit Facility | The Agreement, Senior Secured Credit Facility
Debt Instrument [Line Items]
Total long-term debt					300,000,000
Multicurrency Revolving Credit Facility | The Agreement, Senior Secured Credit Facility
Debt Instrument [Line Items]
Total long-term debt					600,000,000
Incremental Secured Term Loan B Facility Member
Debt Instrument [Line Items]
Libor Floor Interest Rate		0.75
Accounts Receivable Securitization Program
Accounts receivable securitization
Short-term loans and long-term debt due within one year					$ 157,000,000		$ 158,000,000	$ 171,000,000
Weighted average interest rate, short-term debt (as a percent)				1.03%	1.03%		1.21%	1.36%
European Accounts Receivable Securitization Program
Accounts receivable securitization
Maximum Borrowing Capacity | €				€ 185
Minimum | Term Loan A | The Agreement, Senior Secured Credit Facility
Debt Instrument [Line Items]
Interest rate margin, Eurocurrency Rate loans (as a percent)		0.25%
Interest rate margin, Base Rate loans (as a percent)		1.25%
Minimum | Term Loan B (USD tranche)
Debt Instrument [Line Items]
Facility fee payable (as a percent)		0.20%
Maximum | Term Loan A | The Agreement, Senior Secured Credit Facility
Debt Instrument [Line Items]
Interest rate margin, Eurocurrency Rate loans (as a percent)		0.75%
Interest rate margin, Base Rate loans (as a percent)		1.75%
Maximum | Term Loan B (USD tranche)
Debt Instrument [Line Items]
Facility fee payable (as a percent)		0.30%
Vitro Acquisition | The Agreement, Senior Secured Credit Facility
Debt Instrument [Line Items]
Face Value	$ 1,250,000,000
Vitro Acquisition | Incremental Secured Term Loan A Facility Member
Debt Instrument [Line Items]
Face Value	675,000,000
Vitro Acquisition | Incremental Secured Term Loan B Facility Member
Debt Instrument [Line Items]
Face Value	575,000,000
Vitro Acquisition | Senior Secured Incremental Term Loan Facility Member
Debt Instrument [Line Items]
Face Value	$ 1,250,000,000
Maturity period after the closing of acquisition	7 years