Unsecured Debt, Gross

No definition available.

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Namespace Prefix:	coop_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 2
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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
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-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 55
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=114775985&loc=d3e28878-108400

+ Details

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

- Definition

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

+ References

+ Details

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Balance Type:	na
Period Type:	instant

- 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

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

+ References

+ Details

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

- Definition

The cash outflow during the period from the repayment of aggregate short-term and long-term debt. Excludes payment of capital lease obligations.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 15
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3291-108585

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

- Definition

Including the current and noncurrent portions, carrying value as of the balance sheet date of uncollateralized debt obligations (with maturities initially due after one year or beyond the operating cycle if longer).

+ 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(22))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(16))
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

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-URI http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910

+ Details

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

- Details

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- Details

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Indebtedness - Summary of Unsecured Senior Notes (Details) - USD ($)	1 Months Ended	2 Months Ended
	Oct. 31, 2019	Sep. 30, 2018	Sep. 30, 2019	Dec. 31, 2018	Jul. 13, 2018
Debt Instrument [Line Items]
Unsecured senior notes, net			$ 2,464,000,000	$ 2,459,000,000
Repayment of debt		$ 658,000,000
$950 face value, 8.125% interest rate payable semi-annually, due July 2023
Debt Instrument [Line Items]
Debt issued					$ 950,000,000
Interest Rate					8.125%
$750 face value, 9.125% interest rate payable semi-annually, due July 2026
Debt Instrument [Line Items]
Debt issued					$ 750,000,000
Interest Rate					9.125%
Unsecured Senior Notes
Debt Instrument [Line Items]
Unsecured senior notes principal amount			2,498,000,000	2,498,000,000
Unamortized debt issuance costs, premium and discount			(34,000,000)	(39,000,000)
Unsecured senior notes, net			2,464,000,000	2,459,000,000
Repayment of debt		$ 364,000,000
Debt issued			2,498,000,000
Unsecured Senior Notes \| $950 face value, 8.125% interest rate payable semi-annually, due July 2023
Debt Instrument [Line Items]
Unsecured senior notes principal amount			950,000,000	950,000,000
Debt issued			$ 950,000,000
Interest Rate			8.125%
Unsecured Senior Notes \| $750 face value, 9.125% interest rate payable semi-annually, due July 2026
Debt Instrument [Line Items]
Unsecured senior notes principal amount			$ 750,000,000	750,000,000
Debt issued			$ 750,000,000
Interest Rate			9.125%
Unsecured Senior Notes \| $600 face value, 6.500% interest rate payable semi-annually, due July 2021
Debt Instrument [Line Items]
Unsecured senior notes principal amount			$ 592,000,000	592,000,000
Debt issued			$ 600,000,000
Interest Rate			6.50%
Unsecured Senior Notes \| $300 face value, 6.500% interest rate payable semi-annually, due June 2022
Debt Instrument [Line Items]
Unsecured senior notes principal amount			$ 206,000,000	$ 206,000,000
Debt issued			$ 300,000,000
Interest Rate			6.50%
Subsequent event \| Unsecured Senior Notes \| $600 face value, 6.500% interest rate payable semi-annually, due July 2021
Debt Instrument [Line Items]
Repayment of debt	$ 100,000,000