Debt (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Commercial Paper and Borrowings Under Bank Credit Facilities
Balance	$ 17.3	$ 18.1
Weighted average interest rate	2.74%	0.84%
Outstanding balances of debt obligations and the applicable interest rates
Total debt principal	$ (6,492.2)	$ (5,930.0)
Debt discount, net	(49.1)	(43.6)
Debt adjustment for fair value hedges	(11.6)	1.1
Total Debt	6,431.5	5,887.5
Rail Facility [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity	$ 250.0
Recourse Fixed Rate Debt Unsecured One
Outstanding balances of debt obligations and the applicable interest rates
Date of Issue	Mar. 19, 2013
Final Maturity	Mar. 30, 2023
Fixed Interest Rate	3.90%
Total Debt	$ 250.0	250.0
Recourse Floating Rate Debt Unsecured Three [Member]
Outstanding balances of debt obligations and the applicable interest rates
Date of Issue	Sep. 15, 2022
Final Maturity	Sep. 15, 2029
Floating Interest Rate	6.73%
Total debt principal	$ (50.0)	0.0
Recourse Fixed Rate Debt Unsecured Four [Member]
Outstanding balances of debt obligations and the applicable interest rates
Date of Issue	Nov. 05, 2018
Final Maturity	Feb. 15, 2024
Fixed Interest Rate	4.35%
Total Debt	$ 300.0	300.0
Recourse Fixed Rate Debt Unsecured Three [Member]
Outstanding balances of debt obligations and the applicable interest rates
Date of Issue	Dec. 22, 2016
Final Maturity	May 23, 2024
Fixed Interest Rate	0.85%
Total Debt	$ 112.4	119.4
Recourse Fixed Rate Debt Unsecured Six [Member]
Outstanding balances of debt obligations and the applicable interest rates
Date of Issue	Nov. 05, 2019
Final Maturity	Nov. 05, 2024
Fixed Interest Rate	0.96%
Total Debt	$ 107.1	113.7
Recourse Fixed Rate Debt Unsecured Seven [Member]
Outstanding balances of debt obligations and the applicable interest rates
Date of Issue	Mar. 20, 2020
Final Maturity	Mar. 20, 2025
Fixed Interest Rate	1.00%
Total Debt	$ 107.1	113.7
Recourse Fixed Rate Debt Unsecured Fifteen [Member]
Outstanding balances of debt obligations and the applicable interest rates
Date of Issue	Feb. 06, 2015
Final Maturity	Mar. 30, 2025
Fixed Interest Rate	3.25%
Total Debt	$ 300.0	300.0
Recourse Fixed Rate Debt Unsecured Eight [Member]
Outstanding balances of debt obligations and the applicable interest rates
Date of Issue	Aug. 03, 2020
Final Maturity	Aug. 03, 2025
Fixed Interest Rate	1.13%
Total Debt	$ 107.1	113.7
Recourse Fixed Rate Debt Unsecured Eight [Member]
Outstanding balances of debt obligations and the applicable interest rates
Date of Issue	Sep. 13, 2016
Final Maturity	Sep. 15, 2026
Fixed Interest Rate	3.25%
Total Debt	$ 350.0	350.0
Recourse Fixed Rate Debt Unsecured Sixteen [Member]
Outstanding balances of debt obligations and the applicable interest rates
Date of Issue	Oct. 27, 2021
Final Maturity	Oct. 27, 2026
Fixed Interest Rate	0.90%
Total Debt	$ 24.6	26.1
Recourse Fixed Rate Debt Unsecured Sixteen [Member]
Outstanding balances of debt obligations and the applicable interest rates
Date of Issue	Nov. 04, 2019
Final Maturity	Nov. 04, 2026
Fixed Interest Rate	1.07%
Total Debt	$ 80.2	85.3
Recourse Fixed Rate Debt Unsecured Sixteen [Member]
Outstanding balances of debt obligations and the applicable interest rates
Date of Issue	Feb. 09, 2017
Final Maturity	Mar. 30, 2027
Fixed Interest Rate	3.85%
Total Debt	$ 300.0	300.0
Recourse Fixed Rate Debt Unsecured Seventeen [Member] [Domain]
Outstanding balances of debt obligations and the applicable interest rates
Date of Issue	Nov. 02, 2017
Final Maturity	Mar. 15, 2028
Fixed Interest Rate	3.50%
Total Debt	$ 300.0	300.0
Recourse Fixed Rate Debt Unsecured Thirteen [Member]
Outstanding balances of debt obligations and the applicable interest rates
Date of Issue	Oct. 27, 2021
Final Maturity	Oct. 27, 2028
Fixed Interest Rate	1.17%
Total Debt	$ 55.6	59.1
Recourse Fixed Rate Debt Unsecured Eighteen [Member] [Member]
Outstanding balances of debt obligations and the applicable interest rates
Date of Issue	May 07, 2018
Final Maturity	Nov. 07, 2028
Fixed Interest Rate	4.55%
Total Debt	$ 300.0	300.0
Recourse Fixed Rate Debt Unsecured Fifteen [Member]
Outstanding balances of debt obligations and the applicable interest rates
Date of Issue	Jan. 31, 2019
Final Maturity	Apr. 01, 2029
Fixed Interest Rate	4.70%
Total Debt	$ 500.0	500.0
Recourse Fixed Rate Debt Unsecured Twenty [Member]
Outstanding balances of debt obligations and the applicable interest rates
Date of Issue	May 12, 2020
Final Maturity	Jun. 30, 2030
Fixed Interest Rate	4.00%
Total Debt	$ 500.0	500.0
Recourse Fixed Rate Debt Unsecured Seventeen [Member] [Domain]
Outstanding balances of debt obligations and the applicable interest rates
Date of Issue	Feb. 03, 2021
Final Maturity	Jun. 01, 2031
Fixed Interest Rate	1.90%
Total Debt	$ 400.0	400.0
Recourse Fixed Rate Debt Unsecured Eighteen [Member] [Member]
Outstanding balances of debt obligations and the applicable interest rates
Date of Issue	Oct. 27, 2021
Final Maturity	Oct. 27, 2031
Fixed Interest Rate	1.56%
Total Debt	$ 80.3	85.3
Recourse Fixed Rate Debt Unsecured Twenty [Member]
Outstanding balances of debt obligations and the applicable interest rates
Date of Issue	Mar. 04, 2022
Final Maturity	Jun. 01, 2032
Fixed Interest Rate	3.50%
Total Debt	$ 400.0	0.0
Recourse Fixed Rate Debt Unsecured Twenty
Outstanding balances of debt obligations and the applicable interest rates
Date of Issue	Aug. 10, 2022
Final Maturity	Mar. 15, 2033
Fixed Interest Rate	4.90%
Total Debt	$ 400.0	0.0
Recourse Fixed Rate Debt Unsecured Twenty One
Outstanding balances of debt obligations and the applicable interest rates
Date of Issue	Mar. 04, 2014
Final Maturity	Mar. 15, 2044
Fixed Interest Rate	5.20%
Total Debt	$ 300.0	300.0
Recourse Fixed Rate Debt Unsecured Twenty Two
Outstanding balances of debt obligations and the applicable interest rates
Date of Issue	Feb. 06, 2015
Final Maturity	Mar. 30, 2045
Fixed Interest Rate	4.50%
Total Debt	$ 250.0	250.0
Recourse Fixed Rate Debt Unsecured Twenty Three
Outstanding balances of debt obligations and the applicable interest rates
Date of Issue	Feb. 03, 2021
Final Maturity	Jun. 01, 2051
Fixed Interest Rate	3.10%
Total Debt	$ 300.0	300.0
Recourse Floating Rate Debt Unsecured One [Member]
Outstanding balances of debt obligations and the applicable interest rates
Date of Issue	Jan. 15, 2021
Final Maturity	Dec. 14, 2023
Floating Interest Rate	1.00%
Total debt principal	$ (250.0)	(250.0)
Recourse Floating Rate Debt Secured Two [Member]
Outstanding balances of debt obligations and the applicable interest rates
Date of Issue	Dec. 15, 2020
Final Maturity	Dec. 30, 2027
Floating Interest Rate	3.69%
Total debt principal	$ (117.8)	0.0
Total Recourse Floating Rate Debt [Member]
Outstanding balances of debt obligations and the applicable interest rates
Total Debt	417.8	250.0
Recourse Fixed Rate Debt [Member]
Outstanding balances of debt obligations and the applicable interest rates
Total Debt	$ 6,074.4	5,680.0
Recourse Fixed Rate Debt Unsecured Twenty Four
Outstanding balances of debt obligations and the applicable interest rates
Date of Issue	Aug. 09, 2021
Final Maturity	Jun. 01, 2051
Fixed Interest Rate	3.10%
Total Debt	$ 250.0	250.0
Recourse Fixed Rate Debt Unsecured Twenty Five
Outstanding balances of debt obligations and the applicable interest rates
Date of Issue	Jun. 11, 2012
Final Maturity	Jun. 15, 2022
Fixed Interest Rate	4.75%
Total Debt	$ 0.0	250.0
Recourse Fixed Rate Debt Unsecured Twenty Six
Outstanding balances of debt obligations and the applicable interest rates
Date of Issue	Dec. 15, 2020
Final Maturity	Dec. 30, 2027
Fixed Interest Rate	0.70%
Total Debt	$ 0.0	$ 113.7
Line of Credit US [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity	$ 600.0