STATEMENTS OF CONSOLIDATED STOCKHOLDER'S EQUITY (USD $) In Millions, except Share data	Total	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Loss [Member]
Balance at Dec. 31, 2010		$ 0	$ 2,416	$ 1,365
Balance (in shares) at Dec. 31, 2010		1,000
Adjustment to pension and postretirement plans					(7)
Net income	316			316
Balance at Dec. 31, 2011	4,090	0	2,416	1,681	(7)
Balance (in shares) at Dec. 31, 2011		1,000
Adjustment to pension and postretirement plans					(1)
Net income	137			137
Balance at Dec. 31, 2012	4,233	0	2,416	1,818	(1)
Balance (in shares) at Dec. 31, 2012		1,000
Balance at Sep. 30, 2012
Adjustment to pension and postretirement plans					(1)
Net income	104
Balance at Dec. 31, 2012	4,233	0	2,416	1,818	(1)
Balance (in shares) at Dec. 31, 2012		1,000
Adjustment to pension and postretirement plans					5
Net income	64			64
Balance at Dec. 31, 2013	4,303	0	2,416	1,882	5
Balance (in shares) at Dec. 31, 2013		1,000
Balance at Sep. 30, 2013
Adjustment to pension and postretirement plans					5
Net income	66
Balance at Dec. 31, 2013	$ 4,303	$ 0	$ 2,416		$ 5
Balance (in shares) at Dec. 31, 2013		1,000