Debt Obligations Level 4 (Details) - USD ($) $ in Millions	3 Months Ended
Mar. 31, 2018	Dec. 31, 2017
Non-Affiliated Debt [Abstract]
Due Within One Year	$ 66	$ 125
Debt Issuance Costs, Gross	(39)	(41)
Long-term debt	3,703	3,584
ABL Facility [Domain]
Non-Affiliated Debt [Abstract]
Due Within One Year	0	0
Long-term debt	160	81
6.625% First Priority Senior Notes Due 2020 [Member]
Debt Instrument [Line Items]
Debt Instrument, Unamortized Premium	2	2
Non-Affiliated Debt [Abstract]
Due Within One Year	0	0
Long-term debt	$ 1,552	$ 1,552
Affiliated Debt [Abstract]
Debt Instrument, Interest Rate, Stated Percentage	6.625%	6.625%
Debt Instrument, Maturity Date	Apr. 15, 2020
10.00% First Priority Senior Notes Due 2020 [Member]
Non-Affiliated Debt [Abstract]
Due Within One Year	$ 0	$ 0
Long-term debt	$ 315	$ 315
Affiliated Debt [Abstract]
Debt Instrument, Interest Rate, Stated Percentage	10.00%	10.00%
10.375% First-Priority Senion Secured Notes due 2022 [Member]
Non-Affiliated Debt [Abstract]
Due Within One Year	$ 0	$ 0
Long-term debt	$ 560	$ 560
Affiliated Debt [Abstract]
Debt Instrument, Interest Rate, Stated Percentage	10.375%	10.375%
Debt Instrument, Maturity Date	Feb. 01, 2022
13.75% Senior Secured Notes due 2022 [Member]
Non-Affiliated Debt [Abstract]
Due Within One Year	$ 0	$ 0
Long-term debt	$ 225	$ 225
Affiliated Debt [Abstract]
Debt Instrument, Interest Rate, Stated Percentage	13.75%	13.75%
9.00% Second-Priority Senior Secured Notes Due 2020 [Member]
Non-Affiliated Debt [Abstract]
Due Within One Year	$ 0	$ 0
Long-term debt	$ 574	$ 574
Affiliated Debt [Abstract]
Debt Instrument, Interest Rate, Stated Percentage	9.00%	9.00%
Debt Instrument, Maturity Date	Nov. 15, 2020
9.2% Debentures Due 2021 [Member]
Non-Affiliated Debt [Abstract]
Due Within One Year	$ 0	$ 0
Long-term debt	$ 74	$ 74
Affiliated Debt [Abstract]
Debt Instrument, Interest Rate, Stated Percentage	9.20%	9.20%
Debt Instrument, Maturity Date	Mar. 15, 2021
7.875% Debentures Due 2023 [Member]
Non-Affiliated Debt [Abstract]
Due Within One Year	$ 0	$ 0
Long-term debt	$ 189	$ 189
Affiliated Debt [Abstract]
Debt Instrument, Interest Rate, Stated Percentage	7.875%	7.875%
Debt Instrument, Maturity Date	Feb. 15, 2023
Australia Facility Due 2021 [Member]
Non-Affiliated Debt [Abstract]
Due Within One Year	$ 4	$ 50
Long-term debt	$ 36	0
Affiliated Debt [Abstract]
Debt Instrument, Maturity Date	Dec. 05, 2021
Brazilian Bank Loans [Member]
Non-Affiliated Debt [Abstract]
Due Within One Year	$ 35	34
Long-term debt	12	9
Capital Leases [Member]
Non-Affiliated Debt [Abstract]
Due Within One Year	6	5
Long-term debt	42	44
Other [Member]
Non-Affiliated Debt [Abstract]
Due Within One Year	21	36
Long-term debt	3	2
Unamortized debt issuance costs [Member]
Non-Affiliated Debt [Abstract]
Due Within One Year	$ 0	$ 0

Affiliated Debt [Abstract]

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Non-Affiliated Debt [Abstract]

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No definition available.

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- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22(a)(1))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22(a)(2))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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Amount, after accumulated amortization, of debt premium.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 1A
-URI http://asc.fasb.org/extlink&oid=64930785&loc=d3e28541-108399

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
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-Section 55
-Paragraph 8
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Amount, before accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
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Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt, classified as current. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
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Amount after unamortized (discount) premium and debt issuance costs of long-term debt classified as noncurrent and excluding amounts to be repaid within one year or the normal operating cycle, if longer. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
-Topic 210
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