Note 20: Retirement Plans (Detail) - Fair Value Measurement of Plan Assets (USD $) In Millions, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Cash and Cash Equivalents [Member] | Major U.S. Plans [Member] | Fair Value, Inputs, Level 2 [Member]
Fair Value of Plan Assets	$ 83	$ 321
Cash and Cash Equivalents [Member] | Major U.S. Plans [Member]
Fair Value of Plan Assets	83	321
Cash and Cash Equivalents [Member] | Major Non-U.S. Plans [Member] | Fair Value, Inputs, Level 2 [Member]
Fair Value of Plan Assets	57	101
Cash and Cash Equivalents [Member] | Major Non-U.S. Plans [Member]
Fair Value of Plan Assets	57	101
Equity Securities [Member] | Major U.S. Plans [Member] | Fair Value, Inputs, Level 1 [Member]
Fair Value of Plan Assets	221	192
Equity Securities [Member] | Major U.S. Plans [Member] | Fair Value, Inputs, Level 2 [Member]
Fair Value of Plan Assets	804	488
Equity Securities [Member] | Major U.S. Plans [Member] | Fair Value, Inputs, Level 3 [Member]
Fair Value of Plan Assets	163	136
Equity Securities [Member] | Major U.S. Plans [Member]
Fair Value of Plan Assets	1,188	816
Equity Securities [Member] | Major Non-U.S. Plans [Member] | Fair Value, Inputs, Level 1 [Member]
Fair Value of Plan Assets	43	58
Equity Securities [Member] | Major Non-U.S. Plans [Member] | Fair Value, Inputs, Level 2 [Member]
Fair Value of Plan Assets	276	330
Equity Securities [Member] | Major Non-U.S. Plans [Member] | Fair Value, Inputs, Level 3 [Member]
Fair Value of Plan Assets	13	6
Equity Securities [Member] | Major Non-U.S. Plans [Member]
Fair Value of Plan Assets	332	394
US Government Agencies Debt Securities [Member] | Major U.S. Plans [Member] | Fair Value, Inputs, Level 2 [Member]
Fair Value of Plan Assets	538	487
US Government Agencies Debt Securities [Member] | Major U.S. Plans [Member] | Fair Value, Inputs, Level 3 [Member]
Fair Value of Plan Assets	201	237
US Government Agencies Debt Securities [Member] | Major U.S. Plans [Member]
Fair Value of Plan Assets	739	724
US Government Agencies Debt Securities [Member] | Major Non-U.S. Plans [Member] | Fair Value, Inputs, Level 2 [Member]
Fair Value of Plan Assets	145	151
US Government Agencies Debt Securities [Member] | Major Non-U.S. Plans [Member] | Fair Value, Inputs, Level 3 [Member]
Fair Value of Plan Assets	7	6
US Government Agencies Debt Securities [Member] | Major Non-U.S. Plans [Member]
Fair Value of Plan Assets	152	157
Inflation-Linked Bonds [Member] | Major U.S. Plans [Member] | Fair Value, Inputs, Level 2 [Member]
Fair Value of Plan Assets	111	231
Inflation-Linked Bonds [Member] | Major U.S. Plans [Member] | Fair Value, Inputs, Level 3 [Member]
Fair Value of Plan Assets	104	260
Inflation-Linked Bonds [Member] | Major U.S. Plans [Member]
Fair Value of Plan Assets	215	491
Inflation-Linked Bonds [Member] | Major Non-U.S. Plans [Member] | Fair Value, Inputs, Level 2 [Member]
Fair Value of Plan Assets	275	356
Inflation-Linked Bonds [Member] | Major Non-U.S. Plans [Member] | Fair Value, Inputs, Level 3 [Member]
Fair Value of Plan Assets	251	251
Inflation-Linked Bonds [Member] | Major Non-U.S. Plans [Member]
Fair Value of Plan Assets	526	607
Investment Grade Bonds [Member] | Major U.S. Plans [Member] | Fair Value, Inputs, Level 2 [Member]
Fair Value of Plan Assets	386	449
Investment Grade Bonds [Member] | Major U.S. Plans [Member]
Fair Value of Plan Assets	386	449
Investment Grade Bonds [Member] | Major Non-U.S. Plans [Member] | Fair Value, Inputs, Level 2 [Member]
Fair Value of Plan Assets	74	97
Investment Grade Bonds [Member] | Major Non-U.S. Plans [Member]
Fair Value of Plan Assets	74	97
Global High Yield and Emerging Market Debt [Member] | Major U.S. Plans [Member] | Fair Value, Inputs, Level 2 [Member]
Fair Value of Plan Assets	324	132
Global High Yield and Emerging Market Debt [Member] | Major U.S. Plans [Member] | Fair Value, Inputs, Level 3 [Member]
Fair Value of Plan Assets	201
Global High Yield and Emerging Market Debt [Member] | Major U.S. Plans [Member]
Fair Value of Plan Assets	525	132
Global High Yield and Emerging Market Debt [Member] | Major Non-U.S. Plans [Member] | Fair Value, Inputs, Level 2 [Member]
Fair Value of Plan Assets	229	223
Global High Yield and Emerging Market Debt [Member] | Major Non-U.S. Plans [Member]
Fair Value of Plan Assets	229	223
Real Estate [Member] | Major U.S. Plans [Member] | Fair Value, Inputs, Level 3 [Member]
Fair Value of Plan Assets	198	213
Real Estate [Member] | Major U.S. Plans [Member]
Fair Value of Plan Assets	198	213
Real Estate [Member] | Major Non-U.S. Plans [Member] | Fair Value, Inputs, Level 2 [Member]
Fair Value of Plan Assets	5	4
Real Estate [Member] | Major Non-U.S. Plans [Member] | Fair Value, Inputs, Level 3 [Member]
Fair Value of Plan Assets	44	55
Real Estate [Member] | Major Non-U.S. Plans [Member]
Fair Value of Plan Assets	49	59
Private Equity [Member] | Major U.S. Plans [Member] | Fair Value, Inputs, Level 3 [Member]
Fair Value of Plan Assets	1,002	971
Private Equity [Member] | Major U.S. Plans [Member]
Fair Value of Plan Assets	1,002	971
Private Equity [Member] | Major Non-U.S. Plans [Member] | Fair Value, Inputs, Level 2 [Member]
Fair Value of Plan Assets	2	2
Private Equity [Member] | Major Non-U.S. Plans [Member] | Fair Value, Inputs, Level 3 [Member]
Fair Value of Plan Assets	322	312
Private Equity [Member] | Major Non-U.S. Plans [Member]
Fair Value of Plan Assets	324	314
Insurance Contracts [Member] | Major U.S. Plans [Member] | Fair Value, Inputs, Level 2 [Member]
Fair Value of Plan Assets	1	1
Insurance Contracts [Member] | Major U.S. Plans [Member]
Fair Value of Plan Assets	1	1
Insurance Contracts [Member] | Major Non-U.S. Plans [Member] | Fair Value, Inputs, Level 2 [Member]
Fair Value of Plan Assets	338	339
Insurance Contracts [Member] | Major Non-U.S. Plans [Member]
Fair Value of Plan Assets	338	339
Global Balanced Asset Allocation Funds [Member] | Major U.S. Plans [Member] | Fair Value, Inputs, Level 2 [Member]
Fair Value of Plan Assets	530	288
Global Balanced Asset Allocation Funds [Member] | Major U.S. Plans [Member]
Fair Value of Plan Assets	530	288
Global Balanced Asset Allocation Funds [Member] | Major Non-U.S. Plans [Member] | Fair Value, Inputs, Level 2 [Member]
Fair Value of Plan Assets	71
Global Balanced Asset Allocation Funds [Member] | Major Non-U.S. Plans [Member]
Fair Value of Plan Assets	71
Derivatives With Unrealized Gains [Member] | Major U.S. Plans [Member] | Fair Value, Inputs, Level 1 [Member]
Fair Value of Plan Assets	7	12
Derivatives With Unrealized Gains [Member] | Major U.S. Plans [Member]
Fair Value of Plan Assets	7	12
Derivatives With Unrealized Gains [Member] | Major Non-U.S. Plans [Member] | Fair Value, Inputs, Level 1 [Member]
Fair Value of Plan Assets	4
Derivatives With Unrealized Gains [Member] | Major Non-U.S. Plans [Member]
Fair Value of Plan Assets	4
Derivatives With Unrealized Losses [Member] | Major U.S. Plans [Member] | Fair Value, Inputs, Level 1 [Member]
Fair Value of Plan Assets	(26)
Derivatives With Unrealized Losses [Member] | Major U.S. Plans [Member]
Fair Value of Plan Assets	(26)
Derivatives With Unrealized Losses [Member] | Major Non-U.S. Plans [Member] | Fair Value, Inputs, Level 1 [Member]
Fair Value of Plan Assets	(1)
Derivatives With Unrealized Losses [Member] | Major Non-U.S. Plans [Member]
Fair Value of Plan Assets	(1)
Absolute Return [Member] | Major U.S. Plans [Member] | Fair Value, Inputs, Level 2 [Member]
Fair Value of Plan Assets	324	210
Absolute Return [Member] | Major U.S. Plans [Member] | Fair Value, Inputs, Level 3 [Member]
Fair Value of Plan Assets		135
Absolute Return [Member] | Major U.S. Plans [Member]
Fair Value of Plan Assets	324	345
Absolute Return [Member] | Major Non-U.S. Plans [Member] | Fair Value, Inputs, Level 2 [Member]
Fair Value of Plan Assets		145
Absolute Return [Member] | Major Non-U.S. Plans [Member]
Fair Value of Plan Assets		145
Major U.S. Plans [Member] | Fair Value, Inputs, Level 1 [Member]
Fair Value of Plan Assets	202	204
Major U.S. Plans [Member] | Fair Value, Inputs, Level 2 [Member]
Fair Value of Plan Assets	2,777	2,607
Major U.S. Plans [Member] | Fair Value, Inputs, Level 3 [Member]
Fair Value of Plan Assets	1,869	1,952
Major U.S. Plans [Member]
Fair Value of Plan Assets	4,848	4,763
Major Non-U.S. Plans [Member] | Fair Value, Inputs, Level 1 [Member]
Fair Value of Plan Assets	46	58
Major Non-U.S. Plans [Member] | Fair Value, Inputs, Level 2 [Member]
Fair Value of Plan Assets	1,796	1,748
Major Non-U.S. Plans [Member] | Fair Value, Inputs, Level 3 [Member]
Fair Value of Plan Assets	637	630
Major Non-U.S. Plans [Member]
Fair Value of Plan Assets	$ 2,479	$ 2,436