Consolidated Statement of Cash Flows (Parentheticals) (USD $) In Millions, unless otherwise specified	3 Months Ended		12 Months Ended
	Sep. 30, 2009	Mar. 31, 2009	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Non-cash capital distribution	$ 31	$ 1,100
Out-of-period adjustment		$ 630	$ 0	$ 0	$ (630)	[1]

[1] In the first quarter of 2009, we recorded a $630 million cumulative adjustment to correct for the overstatement of cash and cash equivalents and certain accounts payable that originated in prior periods. The impact on previously issued annual and interim financial statements was not material.