XML 39 R67.htm IDEA: XBRL DOCUMENT

Stockholders' Equity (Narrative) (Detail) (USD $) In Millions, unless otherwise specified	9 Months Ended		9 Months Ended
	Sep. 30, 2012	Dec. 31, 2011	Sep. 30, 2012 Company's Vehicle-Backed Debt And Floating Rate Debt [Member]	Sep. 30, 2011 Company's Vehicle-Backed Debt And Floating Rate Debt [Member]	Sep. 30, 2012 Floating rate vehicle-backed and corporate debt [Member]	Sep. 30, 2011 Floating rate vehicle-backed and corporate debt [Member]	Sep. 30, 2012 3 1/2% Convertible Notes [Member]	Sep. 30, 2011 3 1/2% Convertible Notes [Member]	Sep. 30, 2012 Convertible Notes [Member] 3 1/2% Convertible Notes [Member]
Stockholders Equity [Line Items]
Senior notes interest percentage							3.50%	3.50%	3.50%
Repurchased warrants for the purchase of the Company's common stock	$ 26						$ 26
Proceeds from sale of convertible note hedge	38						38
Change in net purchase and issuance of shares							12
Net unrealized gain (losses) on cash flow hedges, before tax			20	40	19	39
Net unrealized gains (losses) on cash flow hedges	$ (2)	$ (13)	$ 11	$ 24	$ 12	$ 24

Accumulated change, net of tax, in accumulated gains and losses from derivative instruments designated and qualifying as the effective portion of cash flow hedges. Includes an entity's share of an equity investee's Increase or Decrease in deferred hedging gains or losses.

+ References+ Details

- Definition

The aggregate amount paid by the entity to reacquire the right to purchase equity shares at a predetermined price, usually issued together with corporate debt.

+ References+ Details