Financing Arrangements and Derivative Financial Instruments - Long Term Debt and Finance Leases, Net of Unamortized Discounts, and Interest Rates (Details) - USD ($) $ in Millions	Jun. 30, 2020	May 18, 2020	Dec. 31, 2019
Long-term Debt and Lease Obligation [Abstract]
Long-term debt, before deferred financing fees	$ 6,058		$ 5,094
Unamortized deferred financing fees	(35)		(28)
Total long term debt excluding capital leases	6,023		5,066
Finance lease obligations	246		249
Long-term debt and capital leases	6,269		5,315
Less portion due within one year	(581)		(562)
Long-term debt and capital leases, excluding current maturities	5,688		4,753
Other Foreign and Domestic Debt
Long-term Debt and Lease Obligation [Abstract]
Long-term debt, before deferred financing fees	857		661
Less portion due within one year	$ (259)		$ (187)
Interest rate	2.61%		4.02%
A8.75 Notes Due2020 | Senior Notes
Long-term Debt and Lease Obligation [Abstract]
Long-term debt, before deferred financing fees	$ 282		$ 280
Less portion due within one year	$ (282)		$ (280)
Interest rate, stated percentage	8.75%		8.75%
5.125% due 2023 | Senior Notes
Long-term Debt and Lease Obligation [Abstract]
Long-term debt, before deferred financing fees	$ 1,000		$ 1,000
Interest rate, stated percentage	5.125%		5.125%
3.75% Euro Notes due 2023 | Euro Notes
Long-term Debt and Lease Obligation [Abstract]
Long-term debt, before deferred financing fees	$ 280		$ 281
Interest rate, stated percentage	3.75%		3.75%
9.5% due 2025 | Senior Notes
Long-term Debt and Lease Obligation [Abstract]
Long-term debt, before deferred financing fees	$ 803		$ 0
Interest rate, stated percentage	9.50%	9.50%	9.50%
5% due 2026 | Senior Notes
Long-term Debt and Lease Obligation [Abstract]
Long-term debt, before deferred financing fees	$ 900		$ 900
Interest rate, stated percentage	5.00%		5.00%
4.875% due 2027 | Senior Notes
Long-term Debt and Lease Obligation [Abstract]
Long-term debt, before deferred financing fees	$ 700		$ 700
Interest rate, stated percentage	4.875%		4.875%
7% due 2028 | Senior Notes
Long-term Debt and Lease Obligation [Abstract]
Long-term debt, before deferred financing fees	$ 150		$ 150
Interest rate, stated percentage	7.00%		7.00%
First lien revolving credit facility due 2025 | Revolving Credit Facility | Line of Credit
Long-term Debt and Lease Obligation [Abstract]
Long-term debt, before deferred financing fees	$ 0		$ 0
Interest rate	0.00%		0.00%
Second lien term loan facility due 2025 | Senior Notes | Line of Credit
Long-term Debt and Lease Obligation [Abstract]
Long-term debt, before deferred financing fees	$ 400		$ 400
Interest rate	2.20%		3.97%
European revolving credit facility due 2024 | Revolving Credit Facility | Line of Credit
Long-term Debt and Lease Obligation [Abstract]
Long-term debt, before deferred financing fees	$ 135		$ 0
Interest rate	1.59%		0.00%
Pan-European accounts receivable facility | Senior Notes | Line of Credit
Long-term Debt and Lease Obligation [Abstract]
Long-term debt, before deferred financing fees	$ 157		$ 327
Interest rate	1.05%		0.98%
Mexican credit facility | Foreign Line of Credit | Line of Credit
Long-term Debt and Lease Obligation [Abstract]
Long-term debt, before deferred financing fees	$ 200		$ 200
Interest rate	2.53%		3.44%
Chinese credit facilities | Foreign Line of Credit | Line of Credit
Long-term Debt and Lease Obligation [Abstract]
Long-term debt, before deferred financing fees	$ 194		$ 195
Less portion due within one year	$ (40)		$ (95)
Interest rate	4.62%		4.87%