Business combinations and divestitures (Other Acquisitions and Other Intangible Assets and Amortization) (Details) (Donlen Corporation, USD $)
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0 Months Ended |
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Sep. 01, 2011
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Acquired Finite-Lived Intangible Assets [Line Items] | |
Fair value (in millions) | $ 75,000,000 |
Customer Relationships
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Acquired Finite-Lived Intangible Assets [Line Items] | |
Useful life (in years) | 16 years |
Fair value (in millions) | 65,000,000 |
Trademark
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Acquired Finite-Lived Intangible Assets [Line Items] | |
Useful life (in years) | 20 years |
Fair value (in millions) | 7,000,000 |
Non-compete agreement
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Acquired Finite-Lived Intangible Assets [Line Items] | |
Useful life (in years) | 5 years |
Fair value (in millions) | $ 3,000,000 |