Guarantor Financial Statement Information - Consolidating Statements of Cash Flow (Details) - USD ($) $ in Millions		3 Months Ended
		Mar. 31, 2019	Mar. 31, 2018
Operating Activities
Net income (loss) attributable to Nationstar		$ (186)
Adjustments to reconcile net income (loss) to net cash attributable to operating activities:
Net income (loss) attributable to non-controlling interests		0
Deferred tax (benefit) expense		(47)
(Gain) loss from subsidiaries		0
Net gain on mortgage loans held for sale		(166)
Interest income on reverse mortgage loan		(82)
(Gain) loss on sale of assets		0
Provision for servicing reserves		11
Fair value changes and amortization/accretion of mortgage servicing rights/liabilities		379
Fair value changes in excess spread financing		(69)
Fair value changes in mortgage servicing rights financing liability		2
Fair value changes in mortgage loan held for investment		(1)
Amortization of premiums, net of discount accretion		2
Depreciation and amortization for property and equipment and intangible assets		21
Share-based compensation		4
Repurchases of forward loan assets out of Ginnie Mae securitizations		(364)
Mortgage loans originated and purchased for sale, net of fees		(5,717)
Sales proceeds and loan payment proceeds for mortgage loans held for sale and held for investment		6,197
Changes in assets and liabilities:
Advances and other receivables		120
Reverse mortgage interests		614
Other assets		(216)
Payables and accrued liabilities		(217)
Net cash attributable to operating activities		285
Investing Activities
Acquisitions, net of cash acquired		(85)
Property and equipment additions, net of disposals		(10)
Purchase of forward mortgage servicing rights, net of liabilities incurred		(130)
Proceeds on sale of forward and reverse mortgage servicing rights		243
Proceeds on sale of assets		0
Net cash attributable to investing activities		18
Financing Activities
Increase (decrease) in warehouse facilities		307
Increase (decrease) in advance facilities		(30)
Repayment of notes payable		(294)
Proceeds from issuance of HECM securitizations		0
Proceeds from sale of HECM securitizations		20
Repayment of HECM securitizations		(127)
Proceeds from issuance of participating interest financing in reverse mortgage interests, net		86
Repayment of participating interest financing in reverse mortgage interests		(494)
Proceeds from the issuance of excess spread financing		245
Settlement of excess spread financing		(50)
Repayment of nonrecourse debt – legacy assets		(3)
Repayment of finance lease liability		(1)
Repurchase of unsecured senior notes		0
Surrender of shares relating to stock vesting		(2)
Debt financing costs		(1)
Net cash attributable to financing activities		(344)
Net decrease in cash, cash equivalents, and restricted cash		(41)
Cash, cash equivalents, and restricted cash - beginning of period		561
Cash, cash equivalents, and restricted cash - end of period	[1]	520
Predecessor
Operating Activities
Net income (loss) attributable to Nationstar			$ 160
Adjustments to reconcile net income (loss) to net cash attributable to operating activities:
Net income (loss) attributable to non-controlling interests			0
Deferred tax (benefit) expense			30
(Gain) loss from subsidiaries			0
Net gain on mortgage loans held for sale			(124)
Interest income on reverse mortgage loan			(119)
(Gain) loss on sale of assets			(9)
Provision for servicing reserves			38
Fair value changes and amortization/accretion of mortgage servicing rights/liabilities			(178)
Fair value changes in excess spread financing			50
Fair value changes in mortgage servicing rights financing liability			24
Fair value changes in mortgage loan held for investment			0
Amortization of premiums, net of discount accretion			3
Depreciation and amortization for property and equipment and intangible assets			15
Share-based compensation			4
Repurchases of forward loan assets out of Ginnie Mae securitizations			(251)
Mortgage loans originated and purchased for sale, net of fees			(5,096)
Sales proceeds and loan payment proceeds for mortgage loans held for sale and held for investment			5,713
Changes in assets and liabilities:
Advances and other receivables			270
Reverse mortgage interests			382
Other assets			54
Payables and accrued liabilities			(29)
Net cash attributable to operating activities			937
Investing Activities
Acquisitions, net of cash acquired			0
Property and equipment additions, net of disposals			(16)
Purchase of forward mortgage servicing rights, net of liabilities incurred			(17)
Net proceeds from acquisition of reverse mortgage servicing portfolio and HECM related receivables			(1)
Proceeds on sale of forward and reverse mortgage servicing rights			0
Proceeds on sale of assets			13
Net cash attributable to investing activities			(21)
Financing Activities
Increase (decrease) in warehouse facilities			(125)
Increase (decrease) in advance facilities			(293)
Repayment of notes payable			0
Proceeds from issuance of HECM securitizations			443
Proceeds from sale of HECM securitizations			0
Repayment of HECM securitizations			(317)
Proceeds from issuance of participating interest financing in reverse mortgage interests, net			90
Repayment of participating interest financing in reverse mortgage interests			(664)
Proceeds from the issuance of excess spread financing			0
Settlement of excess spread financing			(45)
Repayment of nonrecourse debt – legacy assets			(3)
Repayment of finance lease liability			0
Repurchase of unsecured senior notes			(16)
Surrender of shares relating to stock vesting			(4)
Debt financing costs			(5)
Net cash attributable to financing activities			(939)
Net decrease in cash, cash equivalents, and restricted cash			(23)
Cash, cash equivalents, and restricted cash - beginning of period			575
Cash, cash equivalents, and restricted cash - end of period	[1]		552
Eliminations
Operating Activities
Net income (loss) attributable to Nationstar		139
Adjustments to reconcile net income (loss) to net cash attributable to operating activities:
Net income (loss) attributable to non-controlling interests		0
Deferred tax (benefit) expense		0
(Gain) loss from subsidiaries		(139)
Net gain on mortgage loans held for sale		0
Interest income on reverse mortgage loan		0
Provision for servicing reserves		0
Fair value changes and amortization/accretion of mortgage servicing rights/liabilities		0
Fair value changes in excess spread financing		0
Fair value changes in mortgage servicing rights financing liability		0
Fair value changes in mortgage loan held for investment		0
Amortization of premiums, net of discount accretion		0
Depreciation and amortization for property and equipment and intangible assets		0
Share-based compensation		0
Repurchases of forward loan assets out of Ginnie Mae securitizations		0
Mortgage loans originated and purchased for sale, net of fees		0
Sales proceeds and loan payment proceeds for mortgage loans held for sale and held for investment		0
Changes in assets and liabilities:
Advances and other receivables		0
Reverse mortgage interests		0
Other assets		0
Payables and accrued liabilities		0
Net cash attributable to operating activities		0
Investing Activities
Acquisitions, net of cash acquired		0
Property and equipment additions, net of disposals		0
Purchase of forward mortgage servicing rights, net of liabilities incurred		0
Proceeds on sale of forward and reverse mortgage servicing rights		0
Net cash attributable to investing activities		0
Financing Activities
Increase (decrease) in warehouse facilities		0
Increase (decrease) in advance facilities		0
Repayment of notes payable		0
Proceeds from sale of HECM securitizations		0
Repayment of HECM securitizations		0
Proceeds from issuance of participating interest financing in reverse mortgage interests, net		0
Repayment of participating interest financing in reverse mortgage interests		0
Proceeds from the issuance of excess spread financing		0
Settlement of excess spread financing		0
Repayment of nonrecourse debt – legacy assets		0
Repayment of finance lease liability		0
Surrender of shares relating to stock vesting		0
Debt financing costs		0
Net cash attributable to financing activities		0
Net decrease in cash, cash equivalents, and restricted cash		0
Cash, cash equivalents, and restricted cash - beginning of period		0
Cash, cash equivalents, and restricted cash - end of period		0
Eliminations | Predecessor
Operating Activities
Net income (loss) attributable to Nationstar			(192)
Adjustments to reconcile net income (loss) to net cash attributable to operating activities:
Net income (loss) attributable to non-controlling interests			0
Deferred tax (benefit) expense			0
(Gain) loss from subsidiaries			192
Net gain on mortgage loans held for sale			0
Interest income on reverse mortgage loan			0
(Gain) loss on sale of assets			0
Provision for servicing reserves			0
Fair value changes and amortization/accretion of mortgage servicing rights/liabilities			0
Fair value changes in excess spread financing			0
Fair value changes in mortgage servicing rights financing liability			0
Amortization of premiums, net of discount accretion			0
Depreciation and amortization for property and equipment and intangible assets			0
Share-based compensation			0
Repurchases of forward loan assets out of Ginnie Mae securitizations			0
Mortgage loans originated and purchased for sale, net of fees			0
Sales proceeds and loan payment proceeds for mortgage loans held for sale and held for investment			0
Changes in assets and liabilities:
Advances and other receivables			0
Reverse mortgage interests			0
Other assets			0
Payables and accrued liabilities			0
Net cash attributable to operating activities			0
Investing Activities
Property and equipment additions, net of disposals			0
Purchase of forward mortgage servicing rights, net of liabilities incurred			0
Net proceeds from acquisition of reverse mortgage servicing portfolio and HECM related receivables			0
Proceeds on sale of assets			0
Net cash attributable to investing activities			0
Financing Activities
Increase (decrease) in warehouse facilities			0
Increase (decrease) in advance facilities			0
Proceeds from issuance of HECM securitizations			0
Repayment of HECM securitizations			0
Proceeds from issuance of participating interest financing in reverse mortgage interests, net			0
Repayment of participating interest financing in reverse mortgage interests			0
Settlement of excess spread financing			0
Repayment of nonrecourse debt – legacy assets			0
Repurchase of unsecured senior notes			0
Surrender of shares relating to stock vesting			0
Debt financing costs			0
Net cash attributable to financing activities			0
Net decrease in cash, cash equivalents, and restricted cash			0
Cash, cash equivalents, and restricted cash - beginning of period			0
Cash, cash equivalents, and restricted cash - end of period			0
Mr. Cooper | Predecessor
Investing Activities
Net proceeds from acquisition of reverse mortgage servicing portfolio and HECM related receivables			0
Mr. Cooper | Reportable entities
Operating Activities
Net income (loss) attributable to Nationstar		(186)
Adjustments to reconcile net income (loss) to net cash attributable to operating activities:
Net income (loss) attributable to non-controlling interests		0
Deferred tax (benefit) expense		(21)
(Gain) loss from subsidiaries		148
Net gain on mortgage loans held for sale		0
Interest income on reverse mortgage loan		0
Provision for servicing reserves		0
Fair value changes and amortization/accretion of mortgage servicing rights/liabilities		0
Fair value changes in excess spread financing		0
Fair value changes in mortgage servicing rights financing liability		0
Fair value changes in mortgage loan held for investment		0
Amortization of premiums, net of discount accretion		2
Depreciation and amortization for property and equipment and intangible assets		0
Share-based compensation		0
Repurchases of forward loan assets out of Ginnie Mae securitizations		0
Mortgage loans originated and purchased for sale, net of fees		0
Sales proceeds and loan payment proceeds for mortgage loans held for sale and held for investment		0
Changes in assets and liabilities:
Advances and other receivables		0
Reverse mortgage interests		0
Other assets		0
Payables and accrued liabilities		57
Net cash attributable to operating activities		0
Investing Activities
Acquisitions, net of cash acquired		0
Property and equipment additions, net of disposals		0
Purchase of forward mortgage servicing rights, net of liabilities incurred		0
Proceeds on sale of forward and reverse mortgage servicing rights		0
Net cash attributable to investing activities		0
Financing Activities
Increase (decrease) in warehouse facilities		0
Increase (decrease) in advance facilities		0
Repayment of notes payable		0
Proceeds from sale of HECM securitizations		0
Repayment of HECM securitizations		0
Proceeds from issuance of participating interest financing in reverse mortgage interests, net		0
Repayment of participating interest financing in reverse mortgage interests		0
Proceeds from the issuance of excess spread financing		0
Settlement of excess spread financing		0
Repayment of nonrecourse debt – legacy assets		0
Repayment of finance lease liability		0
Surrender of shares relating to stock vesting		0
Debt financing costs		0
Net cash attributable to financing activities		0
Net decrease in cash, cash equivalents, and restricted cash		0
Cash, cash equivalents, and restricted cash - beginning of period		0
Cash, cash equivalents, and restricted cash - end of period		0
Mr. Cooper | Reportable entities | Predecessor
Operating Activities
Net income (loss) attributable to Nationstar			160
Adjustments to reconcile net income (loss) to net cash attributable to operating activities:
Net income (loss) attributable to non-controlling interests			0
Deferred tax (benefit) expense			0
(Gain) loss from subsidiaries			(160)
Net gain on mortgage loans held for sale			0
Interest income on reverse mortgage loan			0
(Gain) loss on sale of assets			0
Provision for servicing reserves			0
Fair value changes and amortization/accretion of mortgage servicing rights/liabilities			0
Fair value changes in excess spread financing			0
Fair value changes in mortgage servicing rights financing liability			0
Amortization of premiums, net of discount accretion			0
Depreciation and amortization for property and equipment and intangible assets			0
Share-based compensation			0
Repurchases of forward loan assets out of Ginnie Mae securitizations			0
Mortgage loans originated and purchased for sale, net of fees			0
Sales proceeds and loan payment proceeds for mortgage loans held for sale and held for investment			0
Changes in assets and liabilities:
Advances and other receivables			0
Reverse mortgage interests			0
Other assets			4
Payables and accrued liabilities			0
Net cash attributable to operating activities			4
Investing Activities
Property and equipment additions, net of disposals			0
Purchase of forward mortgage servicing rights, net of liabilities incurred			0
Proceeds on sale of assets			0
Net cash attributable to investing activities			0
Financing Activities
Increase (decrease) in warehouse facilities			0
Increase (decrease) in advance facilities			0
Proceeds from issuance of HECM securitizations			0
Repayment of HECM securitizations			0
Proceeds from issuance of participating interest financing in reverse mortgage interests, net			0
Repayment of participating interest financing in reverse mortgage interests			0
Settlement of excess spread financing			0
Repayment of nonrecourse debt – legacy assets			0
Repurchase of unsecured senior notes			0
Surrender of shares relating to stock vesting			(4)
Debt financing costs			0
Net cash attributable to financing activities			(4)
Net decrease in cash, cash equivalents, and restricted cash			0
Cash, cash equivalents, and restricted cash - beginning of period			0
Cash, cash equivalents, and restricted cash - end of period			0
Issuer | Predecessor
Investing Activities
Net proceeds from acquisition of reverse mortgage servicing portfolio and HECM related receivables			(1)
Issuer | Reportable entities
Operating Activities
Net income (loss) attributable to Nationstar		(148)
Adjustments to reconcile net income (loss) to net cash attributable to operating activities:
Net income (loss) attributable to non-controlling interests		0
Deferred tax (benefit) expense		(26)
(Gain) loss from subsidiaries		(9)
Net gain on mortgage loans held for sale		(166)
Interest income on reverse mortgage loan		(82)
Provision for servicing reserves		11
Fair value changes and amortization/accretion of mortgage servicing rights/liabilities		375
Fair value changes in excess spread financing		(67)
Fair value changes in mortgage servicing rights financing liability		2
Fair value changes in mortgage loan held for investment		0
Amortization of premiums, net of discount accretion		0
Depreciation and amortization for property and equipment and intangible assets		17
Share-based compensation		3
Repurchases of forward loan assets out of Ginnie Mae securitizations		(364)
Mortgage loans originated and purchased for sale, net of fees		(5,717)
Sales proceeds and loan payment proceeds for mortgage loans held for sale and held for investment		6,195
Changes in assets and liabilities:
Advances and other receivables		120
Reverse mortgage interests		514
Other assets		(229)
Payables and accrued liabilities		(268)
Net cash attributable to operating activities		161
Investing Activities
Acquisitions, net of cash acquired		(85)
Property and equipment additions, net of disposals		(8)
Purchase of forward mortgage servicing rights, net of liabilities incurred		(130)
Proceeds on sale of forward and reverse mortgage servicing rights		243
Net cash attributable to investing activities		20
Financing Activities
Increase (decrease) in warehouse facilities		307
Increase (decrease) in advance facilities		(14)
Repayment of notes payable		(294)
Proceeds from sale of HECM securitizations		0
Repayment of HECM securitizations		0
Proceeds from issuance of participating interest financing in reverse mortgage interests, net		86
Repayment of participating interest financing in reverse mortgage interests		(494)
Proceeds from the issuance of excess spread financing		245
Settlement of excess spread financing		(50)
Repayment of nonrecourse debt – legacy assets		0
Repayment of finance lease liability		(1)
Surrender of shares relating to stock vesting		(2)
Debt financing costs		(1)
Net cash attributable to financing activities		(218)
Net decrease in cash, cash equivalents, and restricted cash		(37)
Cash, cash equivalents, and restricted cash - beginning of period		379
Cash, cash equivalents, and restricted cash - end of period		342
Issuer | Reportable entities | Predecessor
Operating Activities
Net income (loss) attributable to Nationstar			160
Adjustments to reconcile net income (loss) to net cash attributable to operating activities:
Net income (loss) attributable to non-controlling interests			0
Deferred tax (benefit) expense			30
(Gain) loss from subsidiaries			(32)
Net gain on mortgage loans held for sale			(124)
Interest income on reverse mortgage loan			(119)
(Gain) loss on sale of assets			0
Provision for servicing reserves			38
Fair value changes and amortization/accretion of mortgage servicing rights/liabilities			(178)
Fair value changes in excess spread financing			49
Fair value changes in mortgage servicing rights financing liability			24
Amortization of premiums, net of discount accretion			4
Depreciation and amortization for property and equipment and intangible assets			12
Share-based compensation			3
Repurchases of forward loan assets out of Ginnie Mae securitizations			(251)
Mortgage loans originated and purchased for sale, net of fees			(5,096)
Sales proceeds and loan payment proceeds for mortgage loans held for sale and held for investment			5,709
Changes in assets and liabilities:
Advances and other receivables			270
Reverse mortgage interests			443
Other assets			(146)
Payables and accrued liabilities			(27)
Net cash attributable to operating activities			769
Investing Activities
Property and equipment additions, net of disposals			(14)
Purchase of forward mortgage servicing rights, net of liabilities incurred			(11)
Proceeds on sale of assets			0
Net cash attributable to investing activities			(26)
Financing Activities
Increase (decrease) in warehouse facilities			(125)
Increase (decrease) in advance facilities			(16)
Proceeds from issuance of HECM securitizations			0
Repayment of HECM securitizations			0
Proceeds from issuance of participating interest financing in reverse mortgage interests, net			90
Repayment of participating interest financing in reverse mortgage interests			(664)
Settlement of excess spread financing			(45)
Repayment of nonrecourse debt – legacy assets			0
Repurchase of unsecured senior notes			(16)
Surrender of shares relating to stock vesting			0
Debt financing costs			(5)
Net cash attributable to financing activities			(781)
Net decrease in cash, cash equivalents, and restricted cash			(38)
Cash, cash equivalents, and restricted cash - beginning of period			423
Cash, cash equivalents, and restricted cash - end of period			385
Guarantor (Subsidiaries of Issuer) | Predecessor
Investing Activities
Net proceeds from acquisition of reverse mortgage servicing portfolio and HECM related receivables			0
Guarantor (Subsidiaries of Issuer) | Reportable entities
Operating Activities
Net income (loss) attributable to Nationstar		4
Adjustments to reconcile net income (loss) to net cash attributable to operating activities:
Net income (loss) attributable to non-controlling interests		0
Deferred tax (benefit) expense		0
(Gain) loss from subsidiaries		0
Net gain on mortgage loans held for sale		0
Interest income on reverse mortgage loan		0
Provision for servicing reserves		0
Fair value changes and amortization/accretion of mortgage servicing rights/liabilities		0
Fair value changes in excess spread financing		0
Fair value changes in mortgage servicing rights financing liability		0
Fair value changes in mortgage loan held for investment		0
Amortization of premiums, net of discount accretion		0
Depreciation and amortization for property and equipment and intangible assets		0
Share-based compensation		0
Repurchases of forward loan assets out of Ginnie Mae securitizations		0
Mortgage loans originated and purchased for sale, net of fees		0
Sales proceeds and loan payment proceeds for mortgage loans held for sale and held for investment		0
Changes in assets and liabilities:
Advances and other receivables		0
Reverse mortgage interests		0
Other assets		(5)
Payables and accrued liabilities		1
Net cash attributable to operating activities		0
Investing Activities
Acquisitions, net of cash acquired		0
Property and equipment additions, net of disposals		0
Purchase of forward mortgage servicing rights, net of liabilities incurred		0
Proceeds on sale of forward and reverse mortgage servicing rights		0
Net cash attributable to investing activities		0
Financing Activities
Increase (decrease) in warehouse facilities		0
Increase (decrease) in advance facilities		0
Repayment of notes payable		0
Proceeds from sale of HECM securitizations		0
Repayment of HECM securitizations		0
Proceeds from issuance of participating interest financing in reverse mortgage interests, net		0
Repayment of participating interest financing in reverse mortgage interests		0
Proceeds from the issuance of excess spread financing		0
Settlement of excess spread financing		0
Repayment of nonrecourse debt – legacy assets		0
Repayment of finance lease liability		0
Surrender of shares relating to stock vesting		0
Debt financing costs		0
Net cash attributable to financing activities		0
Net decrease in cash, cash equivalents, and restricted cash		0
Cash, cash equivalents, and restricted cash - beginning of period		1
Cash, cash equivalents, and restricted cash - end of period		1
Guarantor (Subsidiaries of Issuer) | Reportable entities | Predecessor
Operating Activities
Net income (loss) attributable to Nationstar			4
Adjustments to reconcile net income (loss) to net cash attributable to operating activities:
Net income (loss) attributable to non-controlling interests			0
Deferred tax (benefit) expense			0
(Gain) loss from subsidiaries			0
Net gain on mortgage loans held for sale			0
Interest income on reverse mortgage loan			0
(Gain) loss on sale of assets			0
Provision for servicing reserves			0
Fair value changes and amortization/accretion of mortgage servicing rights/liabilities			0
Fair value changes in excess spread financing			0
Fair value changes in mortgage servicing rights financing liability			0
Amortization of premiums, net of discount accretion			0
Depreciation and amortization for property and equipment and intangible assets			0
Share-based compensation			0
Repurchases of forward loan assets out of Ginnie Mae securitizations			0
Mortgage loans originated and purchased for sale, net of fees			0
Sales proceeds and loan payment proceeds for mortgage loans held for sale and held for investment			0
Changes in assets and liabilities:
Advances and other receivables			0
Reverse mortgage interests			0
Other assets			(5)
Payables and accrued liabilities			1
Net cash attributable to operating activities			0
Investing Activities
Property and equipment additions, net of disposals			0
Purchase of forward mortgage servicing rights, net of liabilities incurred			0
Proceeds on sale of assets			0
Net cash attributable to investing activities			0
Financing Activities
Increase (decrease) in warehouse facilities			0
Increase (decrease) in advance facilities			0
Proceeds from issuance of HECM securitizations			0
Repayment of HECM securitizations			0
Proceeds from issuance of participating interest financing in reverse mortgage interests, net			0
Repayment of participating interest financing in reverse mortgage interests			0
Settlement of excess spread financing			0
Repayment of nonrecourse debt – legacy assets			0
Repurchase of unsecured senior notes			0
Surrender of shares relating to stock vesting			0
Debt financing costs			0
Net cash attributable to financing activities			0
Net decrease in cash, cash equivalents, and restricted cash			0
Cash, cash equivalents, and restricted cash - beginning of period			1
Cash, cash equivalents, and restricted cash - end of period			1
Non-Guarantor (Subsidiaries of Issuer) | Predecessor
Investing Activities
Net proceeds from acquisition of reverse mortgage servicing portfolio and HECM related receivables			0
Non-Guarantor (Subsidiaries of Issuer) | Reportable entities
Operating Activities
Net income (loss) attributable to Nationstar		5
Adjustments to reconcile net income (loss) to net cash attributable to operating activities:
Net income (loss) attributable to non-controlling interests		0
Deferred tax (benefit) expense		0
(Gain) loss from subsidiaries		0
Net gain on mortgage loans held for sale		0
Interest income on reverse mortgage loan		0
Provision for servicing reserves		0
Fair value changes and amortization/accretion of mortgage servicing rights/liabilities		4
Fair value changes in excess spread financing		(2)
Fair value changes in mortgage servicing rights financing liability		0
Fair value changes in mortgage loan held for investment		(1)
Amortization of premiums, net of discount accretion		0
Depreciation and amortization for property and equipment and intangible assets		4
Share-based compensation		1
Repurchases of forward loan assets out of Ginnie Mae securitizations		0
Mortgage loans originated and purchased for sale, net of fees		0
Sales proceeds and loan payment proceeds for mortgage loans held for sale and held for investment		2
Changes in assets and liabilities:
Advances and other receivables		0
Reverse mortgage interests		100
Other assets		18
Payables and accrued liabilities		(7)
Net cash attributable to operating activities		124
Investing Activities
Acquisitions, net of cash acquired		0
Property and equipment additions, net of disposals		(2)
Purchase of forward mortgage servicing rights, net of liabilities incurred		0
Proceeds on sale of forward and reverse mortgage servicing rights		0
Net cash attributable to investing activities		(2)
Financing Activities
Increase (decrease) in warehouse facilities		0
Increase (decrease) in advance facilities		(16)
Repayment of notes payable		0
Proceeds from sale of HECM securitizations		20
Repayment of HECM securitizations		(127)
Proceeds from issuance of participating interest financing in reverse mortgage interests, net		0
Repayment of participating interest financing in reverse mortgage interests		0
Proceeds from the issuance of excess spread financing		0
Settlement of excess spread financing		0
Repayment of nonrecourse debt – legacy assets		(3)
Repayment of finance lease liability		0
Surrender of shares relating to stock vesting		0
Debt financing costs		0
Net cash attributable to financing activities		(126)
Net decrease in cash, cash equivalents, and restricted cash		(4)
Cash, cash equivalents, and restricted cash - beginning of period		181
Cash, cash equivalents, and restricted cash - end of period		$ 177
Non-Guarantor (Subsidiaries of Issuer) | Reportable entities | Predecessor
Operating Activities
Net income (loss) attributable to Nationstar			28
Adjustments to reconcile net income (loss) to net cash attributable to operating activities:
Net income (loss) attributable to non-controlling interests			0
Deferred tax (benefit) expense			0
(Gain) loss from subsidiaries			0
Net gain on mortgage loans held for sale			0
Interest income on reverse mortgage loan			0
(Gain) loss on sale of assets			(9)
Provision for servicing reserves			0
Fair value changes and amortization/accretion of mortgage servicing rights/liabilities			0
Fair value changes in excess spread financing			1
Fair value changes in mortgage servicing rights financing liability			0
Amortization of premiums, net of discount accretion			(1)
Depreciation and amortization for property and equipment and intangible assets			3
Share-based compensation			1
Repurchases of forward loan assets out of Ginnie Mae securitizations			0
Mortgage loans originated and purchased for sale, net of fees			0
Sales proceeds and loan payment proceeds for mortgage loans held for sale and held for investment			4
Changes in assets and liabilities:
Advances and other receivables			0
Reverse mortgage interests			(61)
Other assets			201
Payables and accrued liabilities			(3)
Net cash attributable to operating activities			164
Investing Activities
Property and equipment additions, net of disposals			(2)
Purchase of forward mortgage servicing rights, net of liabilities incurred			(6)
Proceeds on sale of assets			13
Net cash attributable to investing activities			5
Financing Activities
Increase (decrease) in warehouse facilities			0
Increase (decrease) in advance facilities			(277)
Proceeds from issuance of HECM securitizations			443
Repayment of HECM securitizations			(317)
Proceeds from issuance of participating interest financing in reverse mortgage interests, net			0
Repayment of participating interest financing in reverse mortgage interests			0
Settlement of excess spread financing			0
Repayment of nonrecourse debt – legacy assets			(3)
Repurchase of unsecured senior notes			0
Surrender of shares relating to stock vesting			0
Debt financing costs			0
Net cash attributable to financing activities			(154)
Net decrease in cash, cash equivalents, and restricted cash			15
Cash, cash equivalents, and restricted cash - beginning of period			151
Cash, cash equivalents, and restricted cash - end of period			$ 166

[1] The following table provides a reconciliation of cash, cash equivalents and restricted cash to amount reported within the consolidated balance sheets. Successor Predecessor March 31, 2019 March 31, 2018Cash and cash equivalents$181 $187Restricted cash339 365Total cash, cash equivalents, and restricted cash$520 $552