Debt Instrument, Percentage of Capital Stock of Foreign Subsidiaries Securing Obligations

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- Definition

Debt Instrument Restrictive Covenants [Abstract]

+ References

No definition available.

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- Definition

Debt Instrument, Restrictive Covenants, Maximum Ratio of Debt to Cash Flow

+ References

No definition available.

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- Definition

Debt Instrument, Restrictive Covenants, Minimum Ratio of Operating Cash Flow to Interest Charges

+ References

No definition available.

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- Definition

Debt Instrument, Restrictive Covenants, Sale of Guarantor or Its Subsidiaries, Percentage of Proceeds Used to Repay Debt

+ References

No definition available.

+ Details

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- Definition

Debt Instrument, Restrictive Covenants, Sale of Guarantor or Its Subsidiaries, Percentage of Proceeds Used to Repay Debt If Debt to Cash Flow is Less than 5

+ References

No definition available.

+ Details

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- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 55
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=64930739&loc=d3e28878-108400

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=64930785&loc=d3e28551-108399

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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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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

Gross amount of debt extinguished.

+ References

No definition available.

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- Definition

Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 50
-Section 40
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=49170532&loc=d3e12317-112629

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3602-108585

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 50
-Section 40
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=49170532&loc=d3e12355-112629

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Debt (Recourse Debt Narrative) (Details) - USD ($) $ in Millions	1 Months Ended			3 Months Ended	9 Months Ended		12 Months Ended
	Mar. 31, 2017	May 31, 2016	Jan. 31, 2016	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015	Mar. 01, 2017	May 16, 2016	Jan. 01, 2016
Debt Instrument [Line Items]
Debt terminated amount			$ 125
Loss on extinguishment of debt							$ 68	$ 13	$ 182
8.0% Senior Notes Due 2020 [Domain]
Debt Instrument [Line Items]
Debt terminated amount	$ 24
Senior Unsecured Note LIBOR plus 3% due 2019
Debt Instrument [Line Items]
Loss on extinguishment of debt		$ 4
7.375% Senior Notes Due 2021 [Member] [Member]
Debt Instrument [Line Items]
Debt terminated amount	$ 276
LIBOR 2.00% Senior Notes Due in 2022 [Member]
Debt Instrument [Line Items]
Loss on extinguishment of debt					$ 6
Senior Notes [Member] \| 5.125% Senior Notes Due 2017 [Member]
Debt Instrument [Line Items]
Debt face amount					500
Senior Notes [Member] \| 8.0% Senior Notes Due 2017
Debt Instrument [Line Items]
Debt terminated amount				$ 181
Senior Notes [Member] \| 8.0% Senior Notes Due 2020 [Domain]
Debt Instrument [Line Items]
Debt terminated amount					217
Senior Notes [Member] \| 6.00% senior notes due 2026 [Domain]
Debt Instrument [Line Items]
Stated interest rate											6.00%
Debt face amount											$ 500
Senior Notes [Member] \| Senior Unsecured Note LIBOR plus 3% due 2019
Debt Instrument [Line Items]
Debt terminated amount		$ 495			240
Senior Notes [Member] \| LIBOR 2.00% Senior Notes Due in 2022 [Member]
Debt Instrument [Line Items]
Debt terminated amount				$ 517
Debt face amount					525
Recourse Debt
Recourse Debt Covenants and Guarantees:
Percentage of capital stock of foreign subsidiaries securing obligations							65.00%
Covenants, sale of guarantor or its subsidiaries percentage of proceeds used to repay debt							60.00%
Covenants, sale of guarantor or its subsidiaries percentage of proceeds used to repay debt if debt to cash flow is less than 5							50.00%
Minimum ratio of operating cash flow to interest charges							1.3
Maximum ratio of debt to cash flow							7.5
Unsecured Debt [Member] \| 5.125% Senior Notes Due 2027 [Member]
Debt Instrument [Line Items]
Stated interest rate										5.125%
Unsecured Debt [Member] \| 8.0% Senior Notes Due 2017
Debt Instrument [Line Items]
Stated interest rate				8.00%		8.00%
Loss on extinguishment of debt					$ 16
Unsecured Debt [Member] \| 8.0% Senior Notes Due 2020 [Domain]
Debt Instrument [Line Items]
Stated interest rate					8.00%					8.00%
Loss on extinguishment of debt					$ 47
Unsecured Debt [Member] \| Senior Unsecured Note LIBOR plus 3% due 2019
Debt Instrument [Line Items]
Loss on extinguishment of debt					$ 36
Unsecured Debt [Member] \| 7.375% Senior Notes Due 2021 [Member] [Member]
Debt Instrument [Line Items]
Stated interest rate										7.375%		7.375%
Unsecured Debt [Member] \| 4.875% Senior Notes Due 2023 [Member] [Member]
Debt Instrument [Line Items]
Stated interest rate												4.875%
Loss on extinguishment of debt						$ (7)
Unsecured Debt [Member] \| 5.5% Senior Notes Due 2024 [Member] [Member]
Debt Instrument [Line Items]
Stated interest rate												5.50%
Unsecured Debt [Member] \| 5.5% Senior Notes Due 2025 [Member] [Member]
Debt Instrument [Line Items]
Stated interest rate												5.50%
Parent Company [Member]
Debt Instrument [Line Items]
Loss on extinguishment of debt							$ 92	$ 14	$ 105