Financing Arrangements and Derivative Financial Instruments - Schedule of Long Term Debt and Capital Leases and Financing Arrangements (Details)	Jun. 30, 2018 USD ($)	Jun. 30, 2018 EUR (€)	Dec. 31, 2017 USD ($)	Dec. 31, 2017 EUR (€)	Oct. 16, 2017 EUR (€)
Long-term Debt and Capital Lease Obligations [Abstract]
Long-term debt, before deferred financing fees	$ 6,012,000,000		$ 5,468,000,000
Unamortized deferred financing fees	(39,000,000)		(41,000,000)
Total long term debt excluding capital leases	5,973,000,000		5,427,000,000
Capital lease obligations	39,000,000		40,000,000
Long-term debt and capital lease obligations, including current maturities	6,012,000,000		5,467,000,000
Less portion due within one year	(286,000,000)		(391,000,000)
Long-term debt and capital lease obligations, excluding current maturities	5,726,000,000		5,076,000,000
Senior Notes | 8.75% due 2020
Long-term Debt and Capital Lease Obligations [Abstract]
Long-term debt, before deferred financing fees	$ 277,000,000		$ 275,000,000
Interest rate, stated percentage	8.75%	8.75%	8.75%	8.75%
Senior Notes | 5.125% due 2023
Long-term Debt and Capital Lease Obligations [Abstract]
Long-term debt, before deferred financing fees	$ 1,000,000,000		$ 1,000,000,000
Interest rate, stated percentage	5.125%	5.125%	5.125%	5.125%
Senior Notes | 5% due 2026
Long-term Debt and Capital Lease Obligations [Abstract]
Long-term debt, before deferred financing fees	$ 900,000,000		$ 900,000,000
Interest rate, stated percentage	5.00%	5.00%	5.00%	5.00%
Senior Notes | 4.875% due 2027
Long-term Debt and Capital Lease Obligations [Abstract]
Long-term debt, before deferred financing fees	$ 700,000,000		$ 700,000,000
Interest rate, stated percentage	4.875%	4.875%	4.875%	4.875%
Senior Notes | 7% due 2028
Long-term Debt and Capital Lease Obligations [Abstract]
Long-term debt, before deferred financing fees	$ 150,000,000		$ 150,000,000
Interest rate, stated percentage	7.00%	7.00%	7.00%	7.00%
Euro Notes | 3.75% Euro Notes due 2023
Long-term Debt and Capital Lease Obligations [Abstract]
Long-term debt, before deferred financing fees	$ 291,000,000		$ 300,000,000
Interest rate, stated percentage	3.75%	3.75%	3.75%	3.75%
Line of Credit | $2.0 billion first lien revolving credit facility due 2021
Long-term Debt and Capital Lease Obligations [Abstract]
Maximum borrowing capacity	$ 2,000,000,000.0
Line of Credit | Revolving Credit Facility | $2.0 billion first lien revolving credit facility due 2021
Long-term Debt and Capital Lease Obligations [Abstract]
Long-term debt, before deferred financing fees	$ 340,000,000		$ 0
Interest rate	3.26%	3.26%	0.00%	0.00%
Maximum borrowing capacity	$ 2,000,000,000.0		$ 2,000,000,000.0
Line of Credit | Revolving Credit Facility | €550 million revolving credit facility due 2020
Long-term Debt and Capital Lease Obligations [Abstract]
Long-term debt, before deferred financing fees	$ 310,000,000		$ 0
Interest rate	3.79%	3.79%	0.00%	0.00%
Maximum borrowing capacity | €		€ 550,000,000		€ 550,000,000
Line of Credit | Secured Debt | Second lien term loan facility due 2025
Long-term Debt and Capital Lease Obligations [Abstract]
Long-term debt, before deferred financing fees	$ 400,000,000		$ 400,000,000
Interest rate	4.05%	4.05%	3.50%	3.50%
Line of Credit | Secured Debt | Pan-European accounts receivable facility
Long-term Debt and Capital Lease Obligations [Abstract]
Long-term debt, before deferred financing fees	$ 177,000,000		$ 224,000,000
Interest rate	0.94%	0.94%	0.90%	0.90%
Maximum borrowing capacity | €					€ 275,000,000
Line of Credit | Foreign Line of Credit | Mexican credit facilities
Long-term Debt and Capital Lease Obligations [Abstract]
Long-term debt, before deferred financing fees	$ 340,000,000		$ 340,000,000
Interest rate	3.83%	3.83%	3.14%	3.14%
Line of Credit | Foreign Line of Credit | Chinese credit facilities
Long-term Debt and Capital Lease Obligations [Abstract]
Long-term debt, before deferred financing fees	$ 173,000,000		$ 212,000,000
Less portion due within one year	$ (57,000,000)		$ (113,000,000)
Interest rate	4.99%	4.99%	4.87%	4.87%
Other Foreign and Domestic Debt
Long-term Debt and Capital Lease Obligations [Abstract]
Long-term debt, before deferred financing fees	$ 954,000,000		$ 967,000,000
Less portion due within one year	$ (229,000,000)		$ (278,000,000)
Interest rate	5.43%	5.43%	6.02%	6.02%