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Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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Gross amount of debt extinguished.

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Gain (loss) related to the termination of a contract between the parties. The termination may be due to many causes including early termination of a lease by a lessee, a breach of contract by one party, or a failure to perform.

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The effective interest rate at the end of the reporting period.

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

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Long-Term Debt - Credit Facilities (Details) € in Millions			3 Months Ended		9 Months Ended
Long-Term Debt - Credit Facilities (Details) € in Millions	Aug. 09, 2019 USD ($)	May 31, 2018 USD ($)	Sep. 28, 2019 USD ($)	Jun. 30, 2018 USD ($)	Sep. 28, 2019 USD ($)	Sep. 29, 2018 USD ($)	Sep. 28, 2019 EUR (€)	Jun. 29, 2019 USD ($)	Dec. 31, 2018 USD ($)	Mar. 31, 2018 USD ($)
Line of Credit Facility [Line Items]
Amortization of debt discount and debt issuance costs					$ 6,000,000	$ 12,000,000
Debt principal			$ 1,528,000,000		1,528,000,000				$ 1,600,000,000
Revolving Credit Facility
Line of Credit Facility [Line Items]
Letters of credit			$ 5,000,000		$ 5,000,000
Average interest rate			3.00%		3.00%		3.00%
One-time fees associated with debt refinancing					$ 6,000,000
Debt principal			$ 292,000,000		292,000,000		€ 92		408,000,000
Revolving Credit Facility \| Amended and Restated Credit Agreement
Line of Credit Facility [Line Items]
Revolving credit facility maximum borrowing capacity	$ 1,000,000,000	$ 800,000,000						$ 800,000,000		$ 500,000,000
Funds available for other borrowing			995,000,000		995,000,000
Amortization of debt discount and debt issuance costs					$ 4,000,000
Terminated interest rate swap fees			$ 3,000,000
Term Loan \| Term Loan A
Line of Credit Facility [Line Items]
Revolving credit facility maximum borrowing capacity	1,000,000,000							$ 608,000,000
Percentage bearing variable interest, percentage rate			3.55%		3.55%		3.55%
Debt principal		670,000,000	$ 1,000,000,000		$ 1,000,000,000				$ 608,000,000
Term Loan \| Term Loan B
Line of Credit Facility [Line Items]
Extinguishment of debt, amount	$ 445,000,000	$ 300,000,000
Debt principal			$ 0		$ 0
Amortization of debt issuance costs				$ 6,000,000
Fees associated with amendment of debt agreement				$ 1,000,000