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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%

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- Definition Description of target allocation percentages, or range of percentages, considering the major categories of plan assets as of the latest statement of financial position presented (on a weighted-average basis for employers with more than one plan) that are pertinent to an understanding of the plan investment policies and strategies. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (d)(i) -URI http://asc.fasb.org/extlink&oid=21915506&loc=d3e1928-114920 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 5 -Subparagraph (c)(i) -URI http://asc.fasb.org/extlink&oid=21915506&loc=d3e2446-114920 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 132R -Paragraph 5 -Subparagraph d(i) -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Percentage of fair value of investments (categorized by debt securities, equity securities, real estate and other plan assets) to the fair value of plan assets held. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 5 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=21915506&loc=d3e2446-114920 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (d)(1) -URI http://asc.fasb.org/extlink&oid=21915506&loc=d3e1928-114920 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 132R -Paragraph 5 -Subparagraph d(1) -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
Name: | us-gaap_DefinedBenefitPlanWeightedAverageAssetAllocations
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant