Long-Term Debt Long-Term Debt - Schedule of Secured Assets and Unused Available Credit and Fees (Details) - Revolving Credit Facility [Member] - USD ($) $ in Millions	Sep. 08, 2018	Feb. 24, 2018
Debt Instrument [Line Items]
Outstanding letters of credit	$ 57	$ 57
Letters of credit fees (as a percentage)	1.375%	1.375%
Unused available credit	$ 761	$ 816
Unused facility fees	0.25%	0.25%
Inventories
Debt Instrument [Line Items]
Collateral amount pledged	$ 1,286	$ 1,176
Accounts Receivable
Debt Instrument [Line Items]
Collateral amount pledged	440	410
Cash and Cash Equivalents
Debt Instrument [Line Items]
Collateral amount pledged	$ 16	$ 20

Line of Credit Facility, Facility Fee Percentage

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- Definition

Line of Credit Facility, Fee Percentage

+ References

No definition available.

+ Details

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- Definition

Amount of assets pledged to secure a debt instrument.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 470
-Section 50
-Paragraph 3
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=75038535&loc=d3e64711-112823

+ Details

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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- Definition

The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

+ References

No definition available.

+ Details

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Period Type:	instant

- Definition

Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.19(b),22(b))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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