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Employee Benefit Plans - Benefit Obligations in Excess of Plan Assets (Details)
$ in Millions
Dec. 30, 2016
USD ($)
Projected Benefit Obligation  
Aggregate Fair Value of Plan Assets $ 2,506
Aggregate Projected Benefit Obligation (2,847)
Accumulated Benefit Obligation  
Aggregate Fair Value of Plan Assets 2,506
Aggregate Projected Benefit Obligation $ (2,692)