Other Financial Data (Amounts Reclassified From Accumulated Other Comprehensive Loss) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Reclassification Out Of Accumulated Other Comprehensive Income [Line Items]
Costs of product sales	$ (2,852)	$ (2,844)	$ (2,723)
Gains on sales of investments and businesses, net	(40)	(39)	(23)
Earnings from continuing operations before income taxes	1,145	1,215	738
Tax benefit	(40)	(337)	3
Total reclassifications for the period, net of tax	1,105	878	741
Net earnings (loss)	(1,105)	(881)	(1,152)
Unrealized Gains and Losses on Available-for-Sale Securities
Reclassification Out Of Accumulated Other Comprehensive Income [Line Items]
Gains on sales of investments and businesses, net	(4)
Tax benefit	(1)
Net earnings (loss)	(3)
Reclassification Out Of Accumulated Other Comprehensive Income [Member]
Reclassification Out Of Accumulated Other Comprehensive Income [Line Items]
Net earnings (loss)	(66)
Reclassification Out Of Accumulated Other Comprehensive Income [Member] | Gains and Losses on Cash Flow Hedges
Reclassification Out Of Accumulated Other Comprehensive Income [Line Items]
Costs of product sales	(1)
Net earnings (loss)	1
Reclassification Out Of Accumulated Other Comprehensive Income [Member] | Retirement Benefit Items
Reclassification Out Of Accumulated Other Comprehensive Income [Line Items]
Selling, general, and administrative expenses - prior service cost	(49)
Selling, general, and administrative expenses - Actuarial net losses	159
Earnings from continuing operations before income taxes	110
Tax benefit	(40)
Total reclassifications for the period, net of tax	$ 70