Notes Receivable Principal Payments (Net of Reserves and Unamortized Discounts) and Interest Rates (Detail) (USD $) In Millions, unless otherwise specified	Sep. 09, 2011	Dec. 31, 2010
Accounts, Notes, Loans and Financing Receivable [Line Items]
2011	$ 75
2012	159
2013	156
2014	152
2015	143
Thereafter	602
Total notes receivable	1,287	1,444
Weighted average interest rate	12.00%
Range of stated interest rates, minimum	0.00%
Range of stated interest rates, maximum	19.50%
Nonsecuritized Notes Receivable
Accounts, Notes, Loans and Financing Receivable [Line Items]
2011	38
2012	46
2013	38
2014	32
2015	28
Thereafter	241
Total notes receivable	423
Weighted average interest rate	9.60%
Range of stated interest rates, minimum	0.00%
Range of stated interest rates, maximum	19.50%
Securitized Notes Receivable
Accounts, Notes, Loans and Financing Receivable [Line Items]
2011	37
2012	113
2013	118
2014	120
2015	115
Thereafter	361
Total notes receivable	$ 864
Weighted average interest rate	13.10%
Range of stated interest rates, minimum	5.20%
Range of stated interest rates, maximum	19.50%

Future Principal Payments On Notes Receivable After Year Five

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Future Principal Payments On Notes Receivable In Year Five

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Future Principal Payments On Notes Receivable In Year Four

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Future Principal Payments On Notes Receivable In Year Three

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Future Principal Payments On Notes Receivable In Year Two

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Future Principal Payments On Notes Receivable Within Year One

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Upper limit of range of stated interest rates for total notes receivable as of the balance sheet date indicated.

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Lower limit of range of stated interest rates for total notes receivable as of the balance sheet date indicated.

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Weighted average interest rate for total notes receivable as of the balance sheet date indicated.

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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.

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For an unclassified balance sheet, an amount representing an agreement for an unconditional promise by the maker to pay the Entity (holder) a definite sum of money at a future date, net of any write-downs taken for collection uncertainty on the part of the holder. Such amount may include accrued interest receivable in accordance with the terms of the note. The note also may contain provisions and related items including a discount or premium, payable on demand, secured, or unsecured, interest bearing or noninterest bearing, among a myriad of other features and characteristics. This amount does not include amounts related to receivables held-for-sale.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 02
-Paragraph 3
-Article 5

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.3)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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