Supplemental Equity Information - Additional (Details) shares in Millions	Mar. 01, 2018 shares
Performance share units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Grants in period (in shares)	0.6

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.

No definition available.

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration