Debt - Debt With A Contractual Term Greater Than One Year (Details) $ in Thousands	Mar. 29, 2020 USD ($)	Mar. 29, 2020 EUR (€)	Dec. 31, 2019 USD ($)	Dec. 31, 2019 EUR (€)	Mar. 31, 2019 USD ($)
Debt Instrument
Long-term debt	$ 6,804,538		$ 6,872,935		$ 6,116,744
Current portion of long-term debt, net	(2,326,460)		(1,748,109)		(1,372,050)
Long-term debt, net	4,478,078		5,124,826		4,744,694
Secured Debt
Debt Instrument
Less: unamortized discount and debt issuance costs	(4,202)		(2,573)		(18)
Long-term debt	1,912,088		1,369,512		688,317
Secured Debt | Asset-backed Canadian commercial paper conduit facility
Debt Instrument
Long-term debt, gross	155,243		114,693		142,676
Secured Debt | Asset-backed U.S. commercial paper conduit facilities
Debt Instrument
Long-term debt, gross	600,000		490,427		526,947
Secured Debt | Asset-backed securitization debt
Debt Instrument
Long-term debt, gross	1,161,047		766,965		18,712
Medium-term notes
Debt Instrument
Long-term debt, gross	4,148,984		4,760,127		4,685,636
Less: unamortized discount and debt issuance costs	$ (11,046)		(12,809)		(14,364)
Medium-term notes | Due in 2019, issued September 2014
Debt Instrument
Debt instrument, stated percentage	2.40%	2.40%
Long-term debt, gross	$ 0		0		600,000
Medium-term notes | Due in 2020, issued February 2015
Debt Instrument
Debt instrument, stated percentage	2.15%	2.15%
Long-term debt, gross	$ 0		600,000		600,000
Medium-term notes | Due in 2020, issued May 2018
Debt Instrument
Long-term debt, gross	$ 450,000		450,000		450,000
Medium-term notes | Due in 2020, issued March 2017
Debt Instrument
Debt instrument, stated percentage	2.40%	2.40%
Long-term debt, gross	$ 350,000		350,000		350,000
Medium-term notes | Due in 2021, issued January 2016
Debt Instrument
Debt instrument, stated percentage	2.85%	2.85%
Long-term debt, gross	$ 600,000		600,000		600,000
Medium-term notes | Due in 2021, issued November 2018
Debt Instrument
Long-term debt, gross	$ 450,000		450,000		450,000
Medium-term notes | Due in 2021, issued May 2018
Debt Instrument
Debt instrument, stated percentage	3.55%	3.55%
Long-term debt, gross	$ 350,000		350,000		350,000
Medium-term notes | Due in 2022, issued February 2019
Debt Instrument
Debt instrument, stated percentage	4.05%	4.05%
Long-term debt, gross	$ 550,000		550,000		550,000
Medium-term notes | Due in 2022, issued June 2017
Debt Instrument
Debt instrument, stated percentage	2.55%	2.55%
Long-term debt, gross	$ 400,000		400,000		400,000
Medium-term notes | Due in 2023, issued February 2018
Debt Instrument
Debt instrument, stated percentage	3.35%	3.35%
Long-term debt, gross	$ 350,000		350,000		350,000
Medium-term notes | Due in 2024, issued November 2019
Debt Instrument
Debt instrument, stated percentage	3.14%	3.14%
Long-term debt, gross	$ 660,030	€ 600,000,000.0	672,936	€ 600,000,000.0	0
Senior notes:
Debt Instrument
Less: unamortized discount and debt issuance costs	(6,534)		(6,704)		(7,209)
Long-term debt	$ 743,466		743,296		742,791
Senior notes: | Due in 2025, issued July 2015
Debt Instrument
Debt instrument, stated percentage	3.50%	3.50%
Long-term debt, gross	$ 450,000		450,000		450,000
Senior notes: | Due in 2045, issued July 2015
Debt Instrument
Debt instrument, stated percentage	4.625%	4.625%
Long-term debt, gross	$ 300,000		300,000		300,000
Unsecured Debt
Debt Instrument
Long-term debt	$ 4,892,450		$ 5,503,423		$ 5,428,427
Unsecured Debt | Due in 2020, issued May 2018
Debt Instrument
Debt instrument, stated percentage	0.50%	0.50%
Unsecured Debt | Due in 2021, issued November 2018
Debt Instrument
Debt instrument, stated percentage	0.94%	0.94%