Note 20: Retirement Plans (Detail) - Weighted-Average Asset Allocation By Assets Category	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Equity Securities [Member] | Minimum [Member] | Major U.S. Plans [Member]
Target Asset Allocations	13%
Equity Securities [Member] | Minimum [Member] | Major Non-U.S. Plans [Member]
Target Asset Allocations	11%
Equity Securities [Member] | Maximum [Member] | Major U.S. Plans [Member]
Target Asset Allocations	27%
Equity Securities [Member] | Maximum [Member] | Major Non-U.S. Plans [Member]
Target Asset Allocations	18%
Equity Securities [Member] | Major U.S. Plans [Member]
Asset Allocations	25.00%	17.00%
Target Asset Allocations	-
Equity Securities [Member] | Major Non-U.S. Plans [Member]
Asset Allocations	13.00%	16.00%
Target Asset Allocations	-
Debt Securities [Member] | Minimum [Member] | Major U.S. Plans [Member]
Target Asset Allocations	35%
Debt Securities [Member] | Minimum [Member] | Major Non-U.S. Plans [Member]
Target Asset Allocations	40%
Debt Securities [Member] | Maximum [Member] | Major U.S. Plans [Member]
Target Asset Allocations	47%
Debt Securities [Member] | Maximum [Member] | Major Non-U.S. Plans [Member]
Target Asset Allocations	48%
Debt Securities [Member] | Major U.S. Plans [Member]
Asset Allocations	38.00%	38.00%
Target Asset Allocations	-
Debt Securities [Member] | Major Non-U.S. Plans [Member]
Asset Allocations	40.00%	44.00%
Target Asset Allocations	-
Real Estate [Member] | Minimum [Member] | Major U.S. Plans [Member]
Target Asset Allocations	2%
Real Estate [Member] | Minimum [Member] | Major Non-U.S. Plans [Member]
Target Asset Allocations	0%
Real Estate [Member] | Maximum [Member] | Major U.S. Plans [Member]
Target Asset Allocations	10%
Real Estate [Member] | Maximum [Member] | Major Non-U.S. Plans [Member]
Target Asset Allocations	9%
Real Estate [Member] | Major U.S. Plans [Member]
Asset Allocations	4.00%	4.00%
Target Asset Allocations	-
Real Estate [Member] | Major Non-U.S. Plans [Member]
Asset Allocations	2.00%	3.00%
Target Asset Allocations	-
Cash [Member] | Minimum [Member] | Major U.S. Plans [Member]
Target Asset Allocations	0%
Cash [Member] | Minimum [Member] | Major Non-U.S. Plans [Member]
Target Asset Allocations	0%
Cash [Member] | Maximum [Member] | Major U.S. Plans [Member]
Target Asset Allocations	6%
Cash [Member] | Maximum [Member] | Major Non-U.S. Plans [Member]
Target Asset Allocations	6%
Cash [Member] | Major U.S. Plans [Member]
Asset Allocations	2.00%	7.00%
Target Asset Allocations	-
Cash [Member] | Major Non-U.S. Plans [Member]
Asset Allocations	2.00%	4.00%
Target Asset Allocations	-
Global Balanced Asset Allocation Funds [Member] | Minimum [Member] | Major U.S. Plans [Member]
Target Asset Allocations	5%
Global Balanced Asset Allocation Funds [Member] | Minimum [Member] | Major Non-U.S. Plans [Member]
Target Asset Allocations	0%
Global Balanced Asset Allocation Funds [Member] | Maximum [Member] | Major U.S. Plans [Member]
Target Asset Allocations	12%
Global Balanced Asset Allocation Funds [Member] | Maximum [Member] | Major Non-U.S. Plans [Member]
Target Asset Allocations	6%
Global Balanced Asset Allocation Funds [Member] | Major U.S. Plans [Member]
Asset Allocations	11.00%	6.00%
Target Asset Allocations	-
Global Balanced Asset Allocation Funds [Member] | Major Non-U.S. Plans [Member]
Asset Allocations	3.00%	0.00%
Target Asset Allocations	-
Other Assets [Member] | Minimum [Member] | Major U.S. Plans [Member]
Target Asset Allocations	19%
Other Assets [Member] | Minimum [Member] | Major Non-U.S. Plans [Member]
Target Asset Allocations	33%
Other Assets [Member] | Maximum [Member] | Major U.S. Plans [Member]
Target Asset Allocations	29%
Other Assets [Member] | Maximum [Member] | Major Non-U.S. Plans [Member]
Target Asset Allocations	43%
Other Assets [Member] | Major U.S. Plans [Member]
Asset Allocations	20.00%	28.00%
Target Asset Allocations	-
Other Assets [Member] | Major Non-U.S. Plans [Member]
Asset Allocations	40.00%	33.00%
Target Asset Allocations	-
Major U.S. Plans [Member]
Asset Allocations	100.00%	100.00%
Major Non-U.S. Plans [Member]
Asset Allocations	100.00%	100.00%