Contractual interest rate for funds borrowed, under the debt agreement.

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 210.5-02.22(a)(1))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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- Definition

Percentage price of original principal amount of debt at which debt can be redeemed by the issuer.

+ 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 e
-URI http://asc.fasb.org/extlink&oid=75038535&loc=d3e64711-112823

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Amount of long-term debt and capital lease obligations including current maturities.

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The remaining balance of debt issuance expenses that were capitalized and are being amortized against income over the lives of the respective bond issues. This does not include the amounts capitalized as part of the cost of the utility plant or asset.

+ 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 210.5-02.17)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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Redemption premium percentage.

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Debt - Senior Notes (Details) - USD ($) $ in Millions	12 Months Ended
Debt - Senior Notes (Details) - USD ($) $ in Millions	Dec. 29, 2018	Dec. 30, 2017	Jun. 30, 2016	Jun. 01, 2016
Debt Instrument [Line Items]
Borrowings under facility	$ 3,457	$ 3,757
2016 Senior Notes
Debt Instrument [Line Items]
Unamortized deferred financing costs	$ 5		$ 6
Interest rate	5.875%
Redemption premium percentage	40.00%
2016 Senior Notes \| On or After June 15, 2019
Debt Instrument [Line Items]
Redemption price percentage of principal amount	102.938%
2016 Senior Notes \| June 15, 2020
Debt Instrument [Line Items]
Redemption price percentage of principal amount	101.469%
2016 Senior Notes \| June 15, 2021
Debt Instrument [Line Items]
Redemption price percentage of principal amount	100.00%
2016 Senior Notes \| Prior to June 15, 2019
Debt Instrument [Line Items]
Redemption price percentage of principal amount	105.875%
Senior Notes
Debt Instrument [Line Items]
Borrowings under facility	$ 595	594
Unamortized deferred financing costs	$ 5	$ 6
Interest rate	5.88%			8.50%