Consolidated Statement of Comprehensive Income (Parenthetical) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Amortization of prior service cost, tax	$ 195	$ 124	$ 88
Net gains (losses) on cash flow hedging derivatives arising during the period, tax	2	1	17
Reclassification adjustment for (gains) losses included in net earnings, tax	3	13	8
U.S. Plans [Member]
Pension and postretirement liability adjustments, tax	756	583	498
Non-U.S. Postretirement Benefit Plans [Member]
Pension and postretirement liability adjustments, tax	$ 3	$ 9	$ 3