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Employee Benefit Plans - Amounts Recognized in the Consolidated Balance Sheets (Details) - USD ($) $ in Millions	Dec. 31, 2018	Dec. 31, 2017
Pension Benefits
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Other liabilities	$ 656	$ 784
Other Postretirement Benefits
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Other liabilities	$ 135	$ 142

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Amount of liability, recognized in statement of financial position, for defined benefit pension and other postretirement plans.

+ References

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-Topic 942
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