Assets and Liabilities of Businesses Held For Sale and Discontinued Operations (Discontinued Operations) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Operations
Total revenues									$ 186	$ 191	$ 1,074
Earnings (loss) from discontinued operations before income taxes									(494)	(586)	(93)
Benefit (provision) for income taxes									155	198	100
Income (Loss) from Discontinued Operations, Net of Taxes									(339)	(388)	7
Disposal
Gain (loss) on disposal before income taxes									(2,027)	(792)	(329)
Benefit (provision) for income taxes									246	197	351
Gain (loss) on disposal, net of taxes									(1,781)	(595)	22
Earnings (loss) from discontinued operations, net of taxes	(1,785)	(91)	(124)	(120)	(303)	48	(543)	(185)	(2,120)	(983)	29
Assets
Cash and cash equivalents	232				191				232	191
Financing Receivables - net	711				793				711	793
Property, plant and equipment - net	6				706				6	706
Other	1,390				1,625				1,390	1,625
Assets of discontinued operations	2,339				3,315				2,339	3,315
Liabilities
Deferred income taxes	248				372				248	372
Other	3,685				2,361				3,685	2,361
Liabilities of discontinued operations	$ 3,933				$ 2,733				$ 3,933	$ 2,733