Income Taxes (Provision For Taxes) (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
Provision for Income Taxes
Current tax expense (benefit)									$ (268)	$ 1,379	$ 783
Deferred Income Tax Expense (Benefit)									(724)	(858)	123
Income Tax Expense (Benefit)	(1,092)	3	13	84	126	80	102	213	(992)	521	906
U.S. earnings (loss) from continuing operations before income taxes									2,845	4,496	3,202
Non-U.S. earnings (loss) from continuing operations before income taxes									4,474	3,433	4,311
U.S. federal income tax expense (benefit)									(1,287)	(6)	(2,063)
Non-U.S. jurisdiction income tax expense (benefit)									1,020	1,436	2,999
Deferred U.S. federal income tax expense (benefit)									(474)	30	1,613
Deferred non-U.S. federal income tax expense (benefit)									(269)	(815)	(1,621)
Cumulative earning of non-U.S affiliates reinvested indefinitely	$ 73				$ 72				$ 73	$ 72
Number of income tax returns file annually									5,800
Number Of Global Taxing Jurisdictions									250
Percentage of reduction in effective tax rate									1.30%		3.00%