Debt and Other Financing Arrangements - Term Loans (Details) - USD ($) $ in Millions		6 Months Ended
	Oct. 01, 2018	Jun. 30, 2020
Line of Credit
Line of Credit Facility [Line Items]
Borrowing capacity	$ 4,900
Revolving Credit Facility | Line of Credit
Line of Credit Facility [Line Items]
Borrowing capacity	$ 1,500
Debt term	5 years
Term Loan A Facility | Term Loans
Line of Credit Facility [Line Items]
Borrowing capacity	$ 1,700
Debt term	5 years
Term Loan B Facility | Term Loans
Line of Credit Facility [Line Items]
Borrowing capacity	$ 1,700
Debt term	7 years
First Amendment and Second Amendment | Line of Credit
Line of Credit Facility [Line Items]
One-time fees		$ 8
Third Amendment | Line of Credit
Line of Credit Facility [Line Items]
One-time fees		$ 10