Timber Notes/Non-Recourse Debt (Details) (USD $)	1 Months Ended	9 Months Ended
	Oct. 31, 2004	Sep. 24, 2011	Sep. 30, 2008	Dec. 31, 2004
Timber note securitized/payables - original issuance				$ 1,470,000,000
Timber notes receivable original issuance	1,635,000,000
Cash received from the securitization of timber notes				1,470,000,000
Timber notes deferred tax liability	543,000,000
Class 3 Senior Unsecured Claim [Member] | Installment Notes [Member] | Lehman Brothers Holdings Inc [Member]
Percentage of claim recovery rate		21.10%
Class 9-A Third-Party Guarantee Claim [Member] | Maximum [Member] | Installment Notes [Member] | Lehman Brothers Holdings Inc [Member]
Percentage of claim recovery rate		13.00%
Class 9-A Third-Party Guarantee Claim [Member] | Minimum [Member] | Installment Notes [Member] | Lehman Brothers Holdings Inc [Member]
Percentage of claim recovery rate		11.00%
Maximum [Member] | Installment Notes [Member] | Lehman Brothers Holdings Inc [Member]
Percentage of claim recovery rate		20.00%
Minimum [Member] | Installment Notes [Member] | Lehman Brothers Holdings Inc [Member]
Percentage of claim recovery rate		17.00%
Timberland Assets [Member]
Cash received from sale of timberland assets	15,000,000
Installment Notes [Member]
Proceeds from sale of timberland assets - timber notes receivable	1,635,000,000
Maturity year of notes		2020
Installment Notes [Member] | Lehman Brothers Holdings Inc [Member]
Timber note receivables - interest rates	5.11%
Installment Notes [Member] | Wachovia Corporation [Member]
Timber note receivables - interest rates	4.98%
Timber notes receivable original issuance		817,500,000
Installment Notes [Member] | Tranch one [Member]
Amounts of notes issued	817,500,000			735,000,000
Timber note receivables - interest rates				5.54%
Installment Notes [Member] | Tranch two [Member]
Amounts of notes issued	817,500,000			735,000,000
Timber note receivables - interest rates				5.42%
Securitization Notes [Member]
Maturity year of notes		2019
Lehman Brothers Holdings Inc [Member]
Timber note securitized/payables - original issuance		735,000,000		735,000,000
Timber notes receivable defaulted as result of Lehman bankruptcy	817,500,000
Non-cash impairment charge pre-tax		735,800,000
Terms of non-amortizing obligations (years)	15
Timber notes receivable original issuance	817,500,000
Amount expected to be received via bankruptcy		81,800,000	81,800,000
Wachovia Corporation [Member]
Timber note securitized/payables - original issuance				735,000,000
Terms of non-amortizing obligations (years)	15
Timber notes receivable original issuance	$ 817,500,000