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Revenue Recognition - Performance Obligation Narrative (Details)	Mar. 29, 2019 performance_obligation
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Number of remaining performance obligations	1

X

- Definition

Revenue, Remaining Performance Obligation, Number

+ References

No definition available.

+ Details

Name:	cik0_RevenueRemainingPerformanceObligationNumber
Namespace Prefix:	cik0_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

X

- 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

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