Debt - Debt With Contractual Term Less Than One Year (Details) - USD ($) $ in Thousands	Jun. 27, 2021	Dec. 31, 2020	Jun. 28, 2020
Short-term Debt
Short-term debt	$ 749,037	$ 1,014,274	$ 1,547,388
Unsecured commercial paper
Short-term Debt
Short-term debt	749,037	1,014,274	1,397,388
364-day credit facility borrowings
Short-term Debt
Short-term debt	$ 0	$ 0	$ 150,000

Reflects the total carrying amount as of the balance sheet date of debt having initial terms less than one year or the normal operating cycle, if longer.

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Name:	us-gaap_ShortTermBorrowings
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant