Asset Acquisition, Consideration Transferred

No definition available.

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- Definition

Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 20
-Section 50
-Paragraph 4
-Subparagraph (b)(1)
-URI http://asc.fasb.org/extlink&oid=109500613&loc=SL6031897-161870

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(16))
-URI http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
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-Section S99
-Paragraph 1
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-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
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-Section S99
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-Subparagraph (SX 210.9-03(16))
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

+ Details

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Balance Type:	credit
Period Type:	instant

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

+ Details

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Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.17)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=114775744&loc=d3e28555-108399

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount of interest expense incurred on a debt or other obligation to related party.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Amount of cash paid for interest, excluding capitalized interest, classified as operating activity. Includes, but is not limited to, payment to settle zero-coupon bond for accreted interest of debt discount and debt instrument with insignificant coupon interest rate in relation to effective interest rate of borrowing attributable to accreted interest of debt discount.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=98513485&loc=d3e4297-108586

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
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-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 25
-Subparagraph (e)
-URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3536-108585

+ Details

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Balance Type:	credit
Period Type:	duration

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of cash outflow for payment of an obligation from a lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 15
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-URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3291-108585

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-Topic 235
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-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(f))
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

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- Details

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- Details

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Related Party Debt - Additional Information (Details) - USD ($) $ in Millions			3 Months Ended		9 Months Ended
	May 11, 2018	Feb. 06, 2018	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018	Dec. 31, 2018	Jul. 31, 2018
Line Of Credit Facility [Line Items]
Interest and fee expenses			$ 26	$ 19	$ 67	$ 42
Interest paid			23	$ 16	62	35
Long-term debt, carrying value			2,694		2,694		$ 2,094
Long-term debt, fair value			2,819		2,819		2,099
Borrowing capacity			3,590		3,590		2,990
Repayments of debt					0	$ 1,573
May 2018 Acquisition
Line Of Credit Facility [Line Items]
Consideration transferred	$ 1,220
Ten Year Fixed Facility \| Revolving Credit Facility
Line Of Credit Facility [Line Items]
Borrowing capacity			$ 600		$ 600		0
Debt instrument term					10 years
Ten Year Fixed Facility \| Shell Treasury Center West Inc \| Revolving Credit Facility
Line Of Credit Facility [Line Items]
Debt instrument term					10 years
Debt instrument, interest rate			4.18%		4.18%
Five Year Revolver due July 2023 \| Revolving Credit Facility
Line Of Credit Facility [Line Items]
Borrowing capacity			$ 760		$ 760		760
Debt instrument term					5 years
Repayments of debt		$ 247
Five Year Revolver due July 2023 \| Shell Treasury Center West Inc \| Revolving Credit Facility \| May 2018 Acquisition
Line Of Credit Facility [Line Items]
Consideration transferred	494
Five Year Revolver Due December 2022 \| Revolving Credit Facility
Line Of Credit Facility [Line Items]
Repayments of debt		$ 726
Five Year Revolver Due December 2022 \| Shell Treasury Center West Inc \| Revolving Credit Facility
Line Of Credit Facility [Line Items]
Debt instrument term					5 years
Five Year Revolver Due December 2022 \| Shell Treasury Center West Inc \| Revolving Credit Facility \| May 2018 Acquisition
Line Of Credit Facility [Line Items]
Consideration transferred	$ 726
Seven Year Fixed Facility \| Revolving Credit Facility
Line Of Credit Facility [Line Items]
Borrowing capacity			$ 600		$ 600		$ 600
Debt instrument term					7 years
Seven Year Fixed Facility \| Shell Treasury Center West Inc \| Revolving Credit Facility
Line Of Credit Facility [Line Items]
Debt instrument term					7 years
Debt issuance costs								$ 1