STATEMENTS OF COMPREHENSIVE INCOME (LOSS) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Statement of Income and Comprehensive Income [Abstract]
Net Earnings (Loss)	$ 69	$ (23)	$ 5
Other comprehensive income (loss), net of income taxes:
Change in unrealized gains (losses), net of reclassification adjustment	10	56	114
Total other comprehensive income (loss), net of income taxes	10	56	114
Comprehensive Income (Loss)	$ 79	$ 33	$ 119