Consolidated Statements of Changes in Equity (Unaudited) (USD $) In Millions, except Share data	Total	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Loss [Member]	Accumulated Defined Benefit Plans Adjustment [Member]
Beginning Balance at Dec. 31, 2013	$ 4,854	$ 1,386	$ 2,210	$ 1,274	$ (16)
Beginning Balance, shares at Dec. 31, 2013	138,632,324	138,632,000
Net Income	267			267
Dividends declared on common stock	(185)			(185)
Other Comprehensive (Income) Loss, Benefit obligations, Net of Tax	(1)					(1)
Ending Balance at Jun. 30, 2014	$ 4,935	$ 1,386	$ 2,210	$ 1,356	$ (17)
Ending Balance, shares at Jun. 30, 2014	138,632,324	138,632,000