Financing Arrangements - Interest Expense (Details) - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Apr. 15, 2022	Jan. 18, 2022	Dec. 31, 2021
Short-Term Debt [Line Items]
Direct Interest Expense	$ 245	$ 151
Amortization of Deferred Financing Costs and Discount / Premium	11	7
Total Interest Expense	$ 256	158
Unsecured Notes
Short-Term Debt [Line Items]
Stated interest rate	3.125%
4.750% Notes due 2022 | Unsecured Notes
Short-Term Debt [Line Items]
Stated interest rate			4.75%		4.75%
Direct Interest Expense	$ 6	16
Amortization of Deferred Financing Costs and Discount / Premium	0	0
Total Interest Expense	6	16
5.000% Notes due 2022 | Unsecured Notes
Short-Term Debt [Line Items]
Stated interest rate					5.00%
Direct Interest Expense	0	9
Amortization of Deferred Financing Costs and Discount / Premium	0	0
Total Interest Expense	$ 0	9
4.625% Notes due 2024 | Unsecured Notes
Short-Term Debt [Line Items]
Stated interest rate	4.625%				4.625%
Direct Interest Expense	$ 14	14
Amortization of Deferred Financing Costs and Discount / Premium	1	1
Total Interest Expense	$ 15	15
1.650% Notes due 2024 | Unsecured Notes
Short-Term Debt [Line Items]
Stated interest rate	1.65%				1.65%
Direct Interest Expense	$ 6	0
Amortization of Deferred Financing Costs and Discount / Premium	2	0
Total Interest Expense	$ 8	0
4.125% Notes due 2025 | Unsecured Notes
Short-Term Debt [Line Items]
Stated interest rate	4.125%				4.125%
Direct Interest Expense	$ 15	15
Amortization of Deferred Financing Costs and Discount / Premium	1	1
Total Interest Expense	$ 16	16
4.250% Notes due 2025 | Unsecured Notes
Short-Term Debt [Line Items]
Stated interest rate	4.25%				4.25%
Direct Interest Expense	$ 15	6
Amortization of Deferred Financing Costs and Discount / Premium	(5)	(2)
Total Interest Expense	$ 10	4
8.625% Notes due 2025 | Unsecured Notes
Short-Term Debt [Line Items]
Stated interest rate	8.625%				8.625%
Direct Interest Expense	$ 16	16
Amortization of Deferred Financing Costs and Discount / Premium	1	1
Total Interest Expense	$ 17	17
3.400% Notes due 2026 | Unsecured Notes
Short-Term Debt [Line Items]
Stated interest rate	3.40%				3.40%
Direct Interest Expense	$ 25	25
Amortization of Deferred Financing Costs and Discount / Premium	4	4
Total Interest Expense	$ 29	29
2.625% Notes due 2027 | Unsecured Notes
Short-Term Debt [Line Items]
Stated interest rate	2.625%				2.625%
Direct Interest Expense	$ 7	3
Amortization of Deferred Financing Costs and Discount / Premium	1	0
Total Interest Expense	$ 8	3
3.250% Notes due 2027 | Unsecured Notes
Short-Term Debt [Line Items]
Stated interest rate	3.25%			3.25%
Direct Interest Expense	$ 11	0
Amortization of Deferred Financing Costs and Discount / Premium	1	0
Total Interest Expense	$ 12	0
3.125% Notes due 2028 | Unsecured Notes
Short-Term Debt [Line Items]
Stated interest rate	3.125%				3.125%
Direct Interest Expense	$ 18	0
Amortization of Deferred Financing Costs and Discount / Premium	1	0
Total Interest Expense	19	0
CLO-1 Notes | Collateralized Loan Obligation
Short-Term Debt [Line Items]
Direct Interest Expense	8	6
Amortization of Deferred Financing Costs and Discount / Premium	0	0
Total Interest Expense	8	6
Revolving Credit Facility | Ambler Credit Facility | Line of Credit
Short-Term Debt [Line Items]
Direct Interest Expense	4	1
Amortization of Deferred Financing Costs and Discount / Premium	0	0
Total Interest Expense	4	1
Revolving Credit Facility | CCT Tokyo Funding Credit Facility | Line of Credit
Short-Term Debt [Line Items]
Direct Interest Expense	7	3
Amortization of Deferred Financing Costs and Discount / Premium	1	0
Total Interest Expense	8	3
Revolving Credit Facility | Darby Creek Credit Facility | Line of Credit
Short-Term Debt [Line Items]
Direct Interest Expense	6	2
Amortization of Deferred Financing Costs and Discount / Premium	0	0
Total Interest Expense	6	2
Revolving Credit Facility | Dunlap Credit Facility | Line of Credit
Short-Term Debt [Line Items]
Direct Interest Expense	12	3
Amortization of Deferred Financing Costs and Discount / Premium	0	0
Total Interest Expense	12	3
Revolving Credit Facility | Juniata River Credit Facility | Line of Credit
Short-Term Debt [Line Items]
Direct Interest Expense	0	6
Amortization of Deferred Financing Costs and Discount / Premium	0	0
Total Interest Expense	0	6
Revolving Credit Facility | Meadowbrook Run Credit Facility | Line of Credit
Short-Term Debt [Line Items]
Direct Interest Expense	6	3
Amortization of Deferred Financing Costs and Discount / Premium	0	0
Total Interest Expense	6	3
Revolving Credit Facility | Senior Secured Revolving Credit Facility | Line of Credit
Short-Term Debt [Line Items]
Direct Interest Expense	69	23
Amortization of Deferred Financing Costs and Discount / Premium	3	2
Total Interest Expense	72	25
Prime Brokerage Facility | Burholme Prime Brokerage Facility | Line of Credit
Short-Term Debt [Line Items]
Direct Interest Expense	0	0
Amortization of Deferred Financing Costs and Discount / Premium	0	0
Total Interest Expense	$ 0	$ 0