Leases - Schedule of Operating and Finance Lease Maturities (Details) $ in Millions	Sep. 30, 2021 USD ($)
Finance Leases
Remainder of 2021	$ 13
2022	46
2023	43
2024	34
2025	25
Thereafter	13
Total minimum lease payments	174
Less: amount representing interest	(17)
Total lease liabilities	157
Operating Leases
Remainder of 2021	13
2022	51
2023	47
2024	40
2025	38
Thereafter	224
Total minimum lease payments	413
Less: amount representing interest	(125)
Total lease liabilities	288
Total
Remainder of 2021	26
2022	97
2023	90
2024	74
2025	63
Thereafter	237
Total minimum lease payments	587
Less: amount representing interest	(142)
Total lease liabilities	445
Related Party
Operating Leases
Remainder of 2021	1
2022	5
2023	5
2024	4
2025	3
Thereafter	6
Total minimum lease payments	24
Less: amount representing interest	(5)
Total lease liabilities	19
Non-Related Party
Operating Leases
Remainder of 2021	12
2022	46
2023	42
2024	36
2025	35
Thereafter	218
Total minimum lease payments	389
Less: amount representing interest	(120)
Total lease liabilities	$ 269

Finance Lease, Liability, To Be Paid, After Year Four

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Lessee, Operating And Finance Lease, Liability, Payments, Due After Year Four

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Lessee, Operating And Finance Lease, Liability, Payments, Due, Total

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Lessee, Operating And Finance Lease, Liability, Payments, Due Year Four

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Lessee, Operating And Finance Lease, Liability, Payments, Due Year One

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Lessee, Operating And Finance Lease, Liability, Payments, Due Year Three

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Lessee, Operating And Finance Lease, Liability, Undiscounted Excess Amount

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Lessee, Operating Lease, Liability, To Be Paid, After Year Four

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- Definition

Operating And Finance Lease, Liability

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- Definition

Total Operating And Finance Lease Liability

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- Definition

Present value of lessee's discounted obligation for lease payments from finance lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 50
-Paragraph 6
-URI http://asc.fasb.org/extlink&oid=123408670&loc=SL77918701-209980

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 45
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=123391704&loc=SL77918627-209977

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Amount of lessee's undiscounted obligation for lease payments for finance lease.

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Amount of lessee's undiscounted obligation for lease payment for finance lease to be paid in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

+ References

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- Definition

Amount of lessee's undiscounted obligation for lease payment for finance lease to be paid in fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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- Definition

Amount of lessee's undiscounted obligation for lease payment for finance lease to be paid in third fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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- Definition

Amount of lessee's undiscounted obligation for lease payment for finance lease to be paid in second fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

+ References

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- Definition

Amount of lessee's undiscounted obligation for lease payment for finance lease to be paid in remainder of current fiscal year.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 50
-Paragraph 6
-URI http://asc.fasb.org/extlink&oid=123408670&loc=SL77918701-209980

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- Definition

Amount of lessee's undiscounted obligation for lease payments in excess of discounted obligation for lease payments for finance lease.

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- Definition

Amount of lessee's undiscounted obligation for lease payment for operating lease.

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Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

+ References

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Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in third fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in second fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of lessee's undiscounted obligation for lease payment for operating lease having initial or remaining lease term in excess of one year to be paid in remainder of current fiscal year.

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Amount of lessee's undiscounted obligation for lease payments in excess of discounted obligation for lease payments for operating lease.

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Present value of lessee's discounted obligation for lease payments from operating lease.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 20
-Section 45
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=123391704&loc=SL77918627-209977

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