Commitments And Contingencies (Tables)

9 Months Ended

Sep. 30, 2021

Leases [Abstract]

Lease, Cost [Table Text Block]

The details of the Partnership's operating and finance lease liabilities are as follows:

	September 30,
Lease Term and Discount Rate	2021		2020
Weighted-average remaining lease term (years)
Operating leases	22		24
Finance leases	29		9
Weighted-average discount rate (%)
Operating leases	6	%	6	%
Finance leases	4	%	8	%

	Nine Months Ended September 30,
Other information	2021		2020
	(in millions)
Cash paid for amount included in the measurement of lease liabilities
Operating cash flows from operating leases	$	(37)	$	(39)
Operating cash flows from finance leases	$	(1)	$	—
Financing cash flows from finance leases	$	(1)	$	(3)
Leased assets obtained in exchange for new finance lease liabilities	$	9	$	—
Leased assets obtained in exchange for new operating lease liabilities	$	1	$	11

Lessee, Operating Lease, Liability, Maturity [Table Text Block]

Maturity of lease liabilities (as of September 30, 2021)	Operating leases		Finance leases		Total
	(in millions)
2021 (remainder)	$	12	$	—	$	12
2022	48		—		48
2023	47		—		47
2024	46		—		46
2025	46		—		46
Thereafter	812		16		828
Total lease payment	1,011		16		1,027
Less: interest	473		7		480
Present value of lease liabilities	$	538	$	9	$	547