Debt (Schedule of Long-term Debt) (Details) In Millions, unless otherwise specified			1 Months Ended	9 Months Ended		12 Months Ended	1 Months Ended	9 Months Ended	12 Months Ended	1 Months Ended	9 Months Ended	12 Months Ended	1 Months Ended	9 Months Ended	12 Months Ended	1 Months Ended	9 Months Ended	12 Months Ended	1 Months Ended	9 Months Ended	12 Months Ended	9 Months Ended		9 Months Ended
	Sep. 30, 2014 USD ($)	Dec. 31, 2013 USD ($)	Sep. 30, 2013 Term C-2 Loan Facility [Member]	Sep. 30, 2014 Term C-2 Loan Facility [Member] USD ($)	Sep. 30, 2014 Term C-2 Loan Facility [Member] EUR (€)	Dec. 31, 2013 Term C-2 Loan Facility [Member] USD ($)	Sep. 30, 2014 Term C-3 Loan Facility [Member] USD ($)	Sep. 30, 2014 Term C-3 Loan Facility [Member] USD ($)	Dec. 31, 2013 Term C-3 Loan Facility [Member] USD ($)	Sep. 30, 2010 Senior Unsecured Notes Due 2018 [Member]	Sep. 30, 2014 Senior Unsecured Notes Due 2018 [Member] USD ($)	Dec. 31, 2013 Senior Unsecured Notes Due 2018 [Member] USD ($)	Sep. 30, 2014 Senior Unsecured Notes Due 2019 [Member] USD ($)	Sep. 30, 2014 Senior Unsecured Notes Due 2019 [Member] USD ($)	Dec. 31, 2013 Senior Unsecured Notes Due 2019 [Member] USD ($)	May 31, 2011 Senior Unsecured Notes Due 2021 [Member]	Sep. 30, 2014 Senior Unsecured Notes Due 2021 [Member] USD ($)	Dec. 31, 2013 Senior Unsecured Notes Due 2021 [Member] USD ($)	Nov. 30, 2012 Senior Unsecured Notes Due 2022 [Member]	Sep. 30, 2014 Senior Unsecured Notes Due 2022 [Member] USD ($)	Dec. 31, 2013 Senior Unsecured Notes Due 2022 [Member] USD ($)	Sep. 30, 2014 Pollution Control and Industrial Revenue Bonds [Member] USD ($)	Dec. 31, 2013 Pollution Control and Industrial Revenue Bonds [Member] USD ($)	Sep. 30, 2014 Obligations Under Capital Leases [Member] USD ($)	Dec. 31, 2013 Obligations Under Capital Leases [Member] USD ($)
Long-Term Debt
Senior credit facilities - Term loans				$ 35	€ 28	$ 978	$ 914	$ 914	$ 0
Senior unsecured notes											600	600	378	378	0		400	400		500	500
Date of maturity										Oct. 15, 2018	Oct. 15, 2018	Oct. 15, 2018	Oct. 15, 2019	Oct. 15, 2019	Oct. 15, 2019	Jun. 15, 2021	Jun. 15, 2021	Jun. 15, 2021	Nov. 15, 2022	Nov. 15, 2022	Nov. 15, 2022
Interest rate, stated percentage										6.625%	6.625%	6.625%	3.25%	3.25%	3.25%	5.875%	5.875%	5.875%	4.625%	4.625%	4.625%
Credit facility, expiration date			Oct. 15, 2016	Oct. 15, 2016	Oct. 15, 2016	Oct. 15, 2016	Oct. 15, 2018	Oct. 15, 2018	Oct. 15, 2018
Other long-term debt																						169	169
Interest rate, stated percentage range, minimum																						5.70%
Interest rate, stated percentage range, maximum																						6.70%
Year of maturity, range end																						Nov. 01, 2030		Mar. 31, 2054
Capital lease obligations																								268	264
Subtotal	3,264	2,911
Current installments of long-term debt	(625)	(24)
Total	$ 2,639	$ 2,887