Debt Obligations Level 4 (Details) (USD $) In Millions, unless otherwise specified	9 Months Ended		1 Months Ended			1 Months Ended	9 Months Ended			1 Months Ended	9 Months Ended				1 Months Ended			9 Months Ended		9 Months Ended		9 Months Ended		9 Months Ended		9 Months Ended								9 Months Ended
	Sep. 30, 2013	Dec. 31, 2012	Jan. 31, 2013 Floating Rate Term Loans Due May 2015 [Member]	Sep. 30, 2013 Floating Rate Term Loans Due May 2015 [Member]	Dec. 31, 2012 Floating Rate Term Loans Due May 2015 [Member]	Jan. 31, 2013 6.625% First Priority Senior Notes Due 2020 [Member]	Sep. 30, 2013 6.625% First Priority Senior Notes Due 2020 [Member]	Dec. 31, 2012 6.625% First Priority Senior Notes Due 2020 [Member]	Mar. 14, 2012 6.625% First Priority Senior Notes Due 2020 [Member]	Jan. 31, 2013 8.875% Senior Secured Notes Due 2018 [Member]	Sep. 30, 2013 8.875% Senior Secured Notes Due 2018 [Member]	Dec. 31, 2012 8.875% Senior Secured Notes Due 2018 [Member]	Sep. 30, 2013 Asset Backed Revolving Credit Facility [Member]	Mar. 31, 2013 Asset Backed Revolving Credit Facility [Member]	Jan. 31, 2013 Floating Rate Second-Priority Senior Secured Notes Due 2014 [Member]	Sep. 30, 2013 Floating Rate Second-Priority Senior Secured Notes Due 2014 [Member]	Dec. 31, 2012 Floating Rate Second-Priority Senior Secured Notes Due 2014 [Member]	Sep. 30, 2013 9.00% Second-Priority Senior Secured Notes Due 2020 [Member]	Dec. 31, 2012 9.00% Second-Priority Senior Secured Notes Due 2020 [Member]	Sep. 30, 2013 9.2% Debentures Due 2021 [Member]	Dec. 31, 2012 9.2% Debentures Due 2021 [Member]	Sep. 30, 2013 7.875% Debentures Due 2023 [Member]	Dec. 31, 2012 7.875% Debentures Due 2023 [Member]	Sep. 30, 2013 8.375% Sinking Fund Debentures Due 2016 [Member]	Dec. 31, 2012 8.375% Sinking Fund Debentures Due 2016 [Member]	Sep. 30, 2013 Australia Facility Due 2014 [Member]	Dec. 31, 2012 Australia Facility Due 2014 [Member]	Sep. 30, 2013 Brazilian Bank Loans [Member]	Dec. 31, 2012 Brazilian Bank Loans [Member]	Sep. 30, 2013 Capital Leases [Member]	Dec. 31, 2012 Capital Leases [Member]	Sep. 30, 2013 Other [Member]	Dec. 31, 2012 Other [Member]	Sep. 30, 2013 Adjusted London Interbank Offered Rate [Member]	Sep. 30, 2013 Alternate Base Rate [Member]	Sep. 30, 2013 Federal Funds Rate [Member]	Sep. 30, 2013 Alternate Base Rate [Member]	Sep. 30, 2013 Adjusted London Interbank Offered Rate [Member]
Debt Instrument [Line Items]
Debt Instrument, Unamortized Premium						$ 8	$ 8	$ 0
Debt Instrument, Unamortized Discount											5	6
Long-term Debt			910
Debt Instrument, Repurchased Face Amount															89
Discharged and satisfied remaining principal															31
Due Within One Year	82	76		0	15		0	0			0	0				0	0	0	0	0	0	0	0	20	2	4	5	48	41	1	1	9	12
Long-term debt	3,704	3,419		0	895		1,557	450			1,196	994				0	120	574	574	74	74	189	189	40	60	38	31	15	18	9	10	12	4
Long-term debt						1,100			450	200
Deferred Financing Costs	36
Write off of Deferred Debt Issuance Cost	6
Debt Instrument, Interest Rate, Stated Percentage							6.625%	6.625%			8.875%	8.875%						9.00%	9.00%	9.20%	9.20%	7.875%	7.875%	8.375%	8.375%
Long Term Debt Maturing Total Principal Payments	50
Line of Credit Facility, Maximum Borrowing Capacity		171												400
Debt Instrument, Basis Spread on Variable Rate																																		2.25%	1.25%	0.50%	0.75%	1.75%
Synthetic Letter Of Credit Facility		47
Percentage Of Principal Amount Of Debt On Issue Price						100.75%				100.00%					100.00%
Additional Debt Liquidity Amount						54
Long-term Debt, Gross						1,108
Debt Instrument, Maturity Date							Apr. 15, 2020				Feb. 15, 2018							Nov. 15, 2020		Mar. 15, 2021		Feb. 15, 2023		Apr. 15, 2016		Dec. 05, 2014
Line of Credit Facility, Remaining Borrowing Capacity													$ 368