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Retirement Plans (Details Textuals) (USD $)
In Millions, unless otherwise specified |
12 Months Ended | ||
|---|---|---|---|
|
Dec. 31, 2013
|
Dec. 31, 2012
|
Dec. 31, 2011
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Defined benefit pension plans and other postretirement benefit plans [Member]
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| Retirement Plans (Textuals) [Abstract] | |||
| Net funded status related to the defined benefit pension plans | $ (661) | $ (796) | |
| Total expense for all defined contribution retirement plans | 59 | 93 | 74 |
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Defined Contribution Pension [Member]
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|||
| Retirement Plans (Textuals) [Abstract] | |||
| Total expense for all defined contribution retirement plans | $ 281 | $ 254 | $ 252 |