Accounts Receivable Factoring (Details) € in Millions, $ in Millions	6 Months Ended	12 Months Ended
	Jun. 27, 2020 USD ($)	Dec. 31, 2019 USD ($)	May 31, 2020 EUR (€)
Transfer of Financial Assets Accounted for as Sales [Line Items]
Maximum uncollected receivables available	$ 125		€ 150
Sale of account receivables	508	$ 143
Accounts receivables sold	103	60
Cash collections not yet remitted to banks	88	$ 33
Prepaid expenses and other current assets
Transfer of Financial Assets Accounted for as Sales [Line Items]
Deposits	$ 23