The percent of the price on the principal amount to be paid in case of an event which triggers conversion of the convertible note.

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- Definition

The percent of the price on the principal amount to be paid upon redemption.

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- Definition

-- None. No documentation exists for this element. --

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- Definition

-- None. No documentation exists for this element. --

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- Definition

Represents the contractual interest coupon portion of interest expense related to convertible debt instruments.

+ Details

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- Definition

The rate by which the conversion price exceeded the market price per share at issuance.

+ Details

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- Definition

The per share price at the balance sheet date.

+ Details

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- Definition

The effective interest rate on the liability component of the over allotment option of convertible debt instrument which may be settled in cash upon conversion, including partial cash settlement.

+ Details

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- Definition

The amount of outstanding principal related to the over allotment option (option to purchase additional convertible notes) on convertible debt instruments.

+ Details

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- Definition

The principal amount applied to the debt for purposes of determining the number of shares of the equity security into which the debt will be converted.

+ Details

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- Definition

The percent increase in the closing market price of the company's stock, during a specified period, which triggers the option to terminate conversion rights on convertible notes.

+ Details

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- Definition

The closing market price for a share of publicly traded common stock.

+ Details

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Period Type:	instant

- Definition

The minimum number of trading days in a consecutive period window, which will trigger an event.

+ Details

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- Definition

The principal amount of convertible notes before the option to purchase additional convertible notes are exercised.

+ Details

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- Definition

The principal amount of convertible notes option exercised to purchase additional convertible notes.

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- Definition

The range of days ("window") used to measure the number of trading days in a consecutive period, which will trigger an event.

+ Details

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- Definition

The component of interest expense representing the noncash expenses charged against earnings in the period to amortize debt discount and premium associated with the related debt instruments. Excludes amortization of financing costs. Alternate caption: Noncash Interest Expense.

+ References

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-Subparagraph (b)
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-Paragraph 1A
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- Definition

Including the current and noncurrent portions, carrying amount of debt identified as being convertible into another form of financial instrument (typically the entity's common stock) as of the balance sheet date, which originally required full repayment more than twelve months after issuance or greater than the normal operating cycle of the company.

+ References

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- Definition

The carrying amount of the equity component of convertible debt which may be settled in cash upon conversion.

+ References

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-Subparagraph (a)
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- Definition

The price per share of the conversion feature embedded in the debt instrument.

+ References

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-SubTopic 20
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- Definition

The effective interest rate on the liability component of convertible debt instrument which may be settled in cash upon conversion, including partial cash settlement.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Subparagraph (a)
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- Definition

The amount by which the convertible debt's if-converted value exceeds its principle amount at the balance sheet date, regardless of whether the instrument is currently convertible. This element applies to public companies only.

+ References

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- Definition

Interest expense related to convertible debt instruments which has been recognized for the period, including the contractual interest coupon and amortization of the debt discount, if any.

+ References

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- Definition

The stated principal amount of the debt instrument at time of issuance, which may vary from the carrying amount because of unamortized premium or discount.

+ References

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-Paragraph 16, 20
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- Definition

Interest rate stated in the contractual debt agreement.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 02
-Paragraph 22
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-Subparagraph (SX 210.5-02.22(a)(1))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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- Definition

The amount of debt discount (net of debt premium) that was originally recognized at the issuance of the instrument that has yet to be amortized.

+ References

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Debt and Commitments - Debt Instruments Convertible Notes (Details) (USD $)	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010	Dec. 31, 2010
Automotive [Member] \| Convertible Notes [Member]
Convertible Notes Table [Abstract]
Debt Instrument, Unamortized Discount (Premium), Net	$ (186,000,000)		$ (186,000,000)		$ (199,000,000)
Net carrying amount	722,000,000		722,000,000		709,000,000
Equity component of outstanding debt (recorded in Capital in excess of par value of stock)	(225,000,000)		(225,000,000)		(225,000,000)
Convertible Notes Table Narrative [Abstract]
Share value that would exceed the principal value of debt if convertible notes were converted into shares			438,000,000		732,000,000
Debt, principal amount	908,000,000		908,000,000		908,000,000
Automotive [Member] \| Convertible 2016 Notes [Member]
Contractual interest rate	4.25%		4.25%
Over Allotment Option, amount	107.5269		107.5269
Principal amount applicable for conversion rate (subject to adjustment)			1,000
Conversion price, per share	$ 9.30		$ 9.30
Conversion premium			25.00%
Closing price	$ 7.44		$ 7.44
Convertible note price to be paid of the principal amount in case of an event, percent			100.00%
Increase in the market price of the company's stock that triggers the option to terminate conversion rights			130.00%
Minimum number of trading days in a consecutive day period for measuring conversion right termination			P20D
Range of trading days in a consecutive day period			P30D
Interest cost [Abstract]
Contractual interest coupon	10,000,000	37,000,000	19,000,000	73,000,000
Amortization of discount	7,000,000	23,000,000	13,000,000	45,000,000
Total interest cost on Convertible Notes	17,000,000	60,000,000	32,000,000	118,000,000
Convertible Notes Table Narrative [Abstract]
Remaining principal from original convertible notes	768,000,000		768,000,000		768,000,000
Principal amount of convertible notes option exercised to purchase additional convertible notes	115,000,000		115,000,000		115,000,000
Total effective rate on the liability component			9.20%		9.20%
Over-Allotment Option, percentage			8.60%		8.60%
Debt, principal amount	883,000,000		883,000,000		883,000,000
Automotive [Member] \| Convertible 2036 Notes [Member]
Over Allotment Option, amount	108.6957		108.6957
Principal amount applicable for conversion rate (subject to adjustment)			1,000
Conversion price, per share	$ 9.20		$ 9.20
Conversion premium			25.00%
Closing price	$ 7.36		$ 7.36
Convertible note price to be paid of the principal amount upon redemption, percent			100.00%
Increase in the market price of the company's stock that triggers the option to terminate conversion rights			140.00%
Minimum number of trading days in a consecutive day period for measuring conversion right termination			P20D
Range of trading days in a consecutive day period			P30D
Convertible Notes Table Narrative [Abstract]
Total effective rate on the liability component			10.50%		10.50%
Share price if convertible notes were converted into shares	$ 13.79		$ 13.79		$ 16.79
Debt, principal amount	25,000,000		25,000,000		25,000,000
Financial Services [Member]
Convertible Notes Table [Abstract]
Debt Instrument, Unamortized Discount (Premium), Net	$ (246,000,000)		$ (246,000,000)		$ (403,000,000)