Retirement Plans - Amortized amount from accumulated other comprehensive loss (Details) $ in Millions	Dec. 30, 2017 USD ($)
Pension Benefits
Amortized amount from accumulated other comprehensive loss
Net actuarial loss (gain)	$ 154
Prior service cost (credit)	15
Net periodic benefit cost	169
Postretirement Benefits Other than Pensions
Amortized amount from accumulated other comprehensive loss
Net actuarial loss (gain)	(1)
Prior service cost (credit)	(6)
Net periodic benefit cost	$ (7)

No definition available.

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- Definition

Amount of cost (credit) included in accumulated other comprehensive (income) loss expected to be recognized in net periodic benefit cost (credit) for fiscal year following most recent annual statement of financial position.

+ 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 (s)
-URI http://asc.fasb.org/extlink&oid=82843861&loc=d3e1928-114920

+ Details

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- Definition

Amount included in accumulated other comprehensive income (loss) for gain (loss) of defined benefit plan expected to be recognized in net periodic benefit (cost) credit for fiscal year following most recent annual statement of financial position.

+ References

+ Details

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- Definition

Amount included in accumulated other comprehensive (income) loss for prior service cost (credit) expected to be recognized in net periodic benefit cost (credit) for fiscal year following most recent annual statement of financial position.

+ References

+ Details

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- Details

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