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Seasonal Financing and Debt - Schedule of Long-term Debt (Detail) - USD ($) $ in Thousands	Dec. 31, 2021	Mar. 19, 2021	Dec. 31, 2020
Debt Instrument [Line Items]
Gross, long-term debt	$ 2,600,000		$ 2,900,000
Debt issuance costs and debt discount	(29,008)		(45,336)
Long-term debt	2,570,992		2,854,664
Less: current portion	0		0
Total long-term debt	$ 2,570,992		2,854,664
2010 Senior Notes due October 2020 and October 2040 \| Senior Notes
Debt Instrument [Line Items]
Interest Rate	6.20%
Gross, long-term debt	$ 250,000		250,000
2011 Senior Notes due November 2041 \| Senior Notes
Debt Instrument [Line Items]
Interest Rate	5.45%
Gross, long-term debt	$ 300,000		300,000
2013 Senior Notes due March 2023 \| Senior Notes
Debt Instrument [Line Items]
Interest Rate	3.15%
Gross, long-term debt	$ 250,000		250,000
2017/2018 Senior Notes due December 2025 \| Senior Notes
Debt Instrument [Line Items]
Interest Rate	6.75%
Gross, long-term debt	$ 0		1,500,000
2019 Senior Notes due December 2027 \| Senior Notes
Debt Instrument [Line Items]
Interest Rate	5.875%
Gross, long-term debt	$ 600,000		600,000
2021 Senior Notes due April 2026 \| Senior Notes
Debt Instrument [Line Items]
Interest Rate	3.375%	3.375%
Gross, long-term debt	$ 600,000		0
2021 Senior Notes due April 2029 \| Senior Notes
Debt Instrument [Line Items]
Interest Rate	3.75%	3.75%
Gross, long-term debt	$ 600,000		$ 0