Guarantor Financial Statement Information - Consolidating Statements of Cash Flow (Details) - USD ($) $ in Millions		1 Months Ended	2 Months Ended		3 Months Ended		7 Months Ended	9 Months Ended
		Jul. 31, 2018	Sep. 30, 2018		Sep. 30, 2019		Jul. 31, 2018	Sep. 30, 2019
Operating Activities
Net (loss) income attributable to Mr. Cooper			$ 1,020		$ 84			$ (189)
Adjustments to reconcile net income (loss) to net cash attributable to operating activities:
Deferred tax benefit			(931)					(53)
Net income attributable to non-controlling interests			0		(1)			(2)
(Gain) loss from subsidiaries			0					0
Net gain on mortgage loans held for sale			(83)		(360)			(788)
Interest income on reverse mortgage loans			(72)					(241)
Gain on sale of assets			0					0
MSL related increased obligations			0					0
Provision for servicing reserves			14					53
Fair value changes and amortization/accretion of mortgage servicing rights/liabilities			(27)					998
Fair value changes in excess spread financing			26					(190)
Fair value changes in mortgage servicing rights financing liability			0					15
Fair value changes in mortgage loans held for investment			0					(3)
Amortization of premiums, net of discount accretion			3					(38)
Depreciation and amortization for property and equipment and intangible assets			15		22			67
Share-based compensation			2					14
Other loss			0					5
Repurchases of forward loan assets out of Ginnie Mae securitizations			(223)					(1,823)
Mortgage loans originated and purchased for sale, net of fees			(3,458)					(27,673)
Sales proceeds and loan payment proceeds for mortgage loans held for sale and held for investment			3,546					27,916
Changes in assets and liabilities:
Advances and other receivables			76					265
Reverse mortgage interests			442					1,700
Other assets			(15)					8
Payables and other liabilities			(159)					(69)
Net cash attributable to operating activities			176					(28)
Investing Activities
Acquisitions, net of cash acquired			(33)					(85)
Property and equipment additions, net of disposals			(14)					(38)
Purchase of forward mortgage servicing rights, net of liabilities incurred			(63)					(454)
Net payment related to acquisition of HECM related receivables			0					0
Proceeds on sale of forward and reverse mortgage servicing rights			60					298
Proceeds on sale of assets			0					0
Net cash attributable to investing activities			(50)					(279)
Financing Activities
Increase (decrease) in warehouse facilities			186					1,930
(Decrease) increase in advance facilities			46					(95)
Repayment of notes payable			0					(294)
Proceeds from issuance of HECM securitizations			0					398
Proceeds from sale of HECM securitizations			0					20
Repayment of HECM securitizations			(91)					(568)
Proceeds from issuance of participating interest financing in reverse mortgage interests			45					220
Repayment of participating interest financing in reverse mortgage interests			(403)					(1,472)
Proceeds from issuance of excess spread financing			84					469
Repayment of excess spread financing			(21)					(19)
Settlement of excess spread financing			(31)					(163)
Repayment of nonrecourse debt – legacy assets			(3)					(29)
Repayment of finance lease liability			0					(3)
Repurchase of unsecured senior notes			0					0
Surrender of shares relating to stock vesting			0					(1)
Redemption and repayment of unsecured senior notes			(1,030)					0
Debt financing costs			(1)					(5)
Dividends to non-controlling interests			0					0
Net cash attributable to financing activities			(1,219)					388
Net increase (decrease) in cash, cash equivalents, and restricted cash			(1,093)					81
Cash, cash equivalents, and restricted cash - beginning of period			1,623					561
Cash, cash equivalents, and restricted cash - end of period		$ 1,623	530	[1]	642	[1]	$ 1,623	642	[1]
Eliminations
Operating Activities
Net (loss) income attributable to Mr. Cooper			(57)		(192)			(7)
Adjustments to reconcile net income (loss) to net cash attributable to operating activities:
Deferred tax benefit			0					0
Net income attributable to non-controlling interests			0		0			0
(Gain) loss from subsidiaries			57					7
Net gain on mortgage loans held for sale			0		0			0
Interest income on reverse mortgage loans			0					0
Provision for servicing reserves			0					0
Fair value changes and amortization/accretion of mortgage servicing rights/liabilities			0					0
Fair value changes in excess spread financing			0					0
Fair value changes in mortgage servicing rights financing liability								0
Fair value changes in mortgage loans held for investment								0
Amortization of premiums, net of discount accretion			0					0
Depreciation and amortization for property and equipment and intangible assets			0					0
Share-based compensation			0					0
Other loss								0
Repurchases of forward loan assets out of Ginnie Mae securitizations			0					0
Mortgage loans originated and purchased for sale, net of fees			0					0
Sales proceeds and loan payment proceeds for mortgage loans held for sale and held for investment			0					0
Changes in assets and liabilities:
Advances and other receivables			0					0
Reverse mortgage interests			0					0
Other assets			0					0
Payables and other liabilities			0					0
Net cash attributable to operating activities			0					0
Investing Activities
Acquisitions, net of cash acquired			0					0
Property and equipment additions, net of disposals			0					0
Purchase of forward mortgage servicing rights, net of liabilities incurred			0					0
Proceeds on sale of forward and reverse mortgage servicing rights			0					0
Net cash attributable to investing activities			0					0
Financing Activities
Increase (decrease) in warehouse facilities			0					0
(Decrease) increase in advance facilities			0					0
Repayment of notes payable								0
Proceeds from issuance of HECM securitizations								0
Proceeds from sale of HECM securitizations								0
Repayment of HECM securitizations			0					0
Proceeds from issuance of participating interest financing in reverse mortgage interests			0					0
Repayment of participating interest financing in reverse mortgage interests			0					0
Proceeds from issuance of excess spread financing			0					0
Repayment of excess spread financing			0					0
Settlement of excess spread financing			0					0
Repayment of nonrecourse debt – legacy assets			0					0
Repayment of finance lease liability								0
Surrender of shares relating to stock vesting								0
Redemption and repayment of unsecured senior notes			0
Debt financing costs			0					0
Net cash attributable to financing activities			0					0
Net increase (decrease) in cash, cash equivalents, and restricted cash			0					0
Cash, cash equivalents, and restricted cash - beginning of period			0					0
Cash, cash equivalents, and restricted cash - end of period		0	0		0		0	0
Mr. Cooper | Reportable entities
Operating Activities
Net (loss) income attributable to Mr. Cooper			1,020		84			(189)
Adjustments to reconcile net income (loss) to net cash attributable to operating activities:
Deferred tax benefit			(990)					0
Net income attributable to non-controlling interests			0		0			0
(Gain) loss from subsidiaries			(56)					75
Net gain on mortgage loans held for sale			0		0			0
Interest income on reverse mortgage loans			0					0
Provision for servicing reserves			0					0
Fair value changes and amortization/accretion of mortgage servicing rights/liabilities			0					0
Fair value changes in excess spread financing			0					0
Fair value changes in mortgage servicing rights financing liability								0
Fair value changes in mortgage loans held for investment								0
Amortization of premiums, net of discount accretion			1					5
Depreciation and amortization for property and equipment and intangible assets			0					0
Share-based compensation			0					0
Other loss								0
Repurchases of forward loan assets out of Ginnie Mae securitizations			0					0
Mortgage loans originated and purchased for sale, net of fees			0					0
Sales proceeds and loan payment proceeds for mortgage loans held for sale and held for investment			0					0
Changes in assets and liabilities:
Advances and other receivables			0					0
Reverse mortgage interests			0					0
Other assets			0					0
Payables and other liabilities			19					109
Net cash attributable to operating activities			(6)					0
Investing Activities
Acquisitions, net of cash acquired			0					0
Property and equipment additions, net of disposals			0					0
Purchase of forward mortgage servicing rights, net of liabilities incurred			0					0
Proceeds on sale of forward and reverse mortgage servicing rights			0					0
Net cash attributable to investing activities			0					0
Financing Activities
Increase (decrease) in warehouse facilities			0					0
(Decrease) increase in advance facilities			0					0
Repayment of notes payable								0
Proceeds from issuance of HECM securitizations								0
Proceeds from sale of HECM securitizations								0
Repayment of HECM securitizations			0					0
Proceeds from issuance of participating interest financing in reverse mortgage interests			0					0
Repayment of participating interest financing in reverse mortgage interests			0					0
Proceeds from issuance of excess spread financing			0					0
Repayment of excess spread financing			0					0
Settlement of excess spread financing			0					0
Repayment of nonrecourse debt – legacy assets			0					0
Repayment of finance lease liability								0
Surrender of shares relating to stock vesting								0
Redemption and repayment of unsecured senior notes			0
Debt financing costs			0					0
Net cash attributable to financing activities			0					0
Net increase (decrease) in cash, cash equivalents, and restricted cash			(6)					0
Cash, cash equivalents, and restricted cash - beginning of period			11					0
Cash, cash equivalents, and restricted cash - end of period		11	5		0		11	0
Issuer | Reportable entities
Operating Activities
Net (loss) income attributable to Mr. Cooper			56		121			(75)
Adjustments to reconcile net income (loss) to net cash attributable to operating activities:
Deferred tax benefit			52					(53)
Net income attributable to non-controlling interests			0		(1)			(2)
(Gain) loss from subsidiaries			(1)					(82)
Net gain on mortgage loans held for sale			(83)		(349)			(777)
Interest income on reverse mortgage loans			(72)					(208)
Provision for servicing reserves			14					53
Fair value changes and amortization/accretion of mortgage servicing rights/liabilities			(27)					990
Fair value changes in excess spread financing			26					(186)
Fair value changes in mortgage servicing rights financing liability								15
Fair value changes in mortgage loans held for investment								0
Amortization of premiums, net of discount accretion			2					(21)
Depreciation and amortization for property and equipment and intangible assets			13					55
Share-based compensation			2					11
Other loss								5
Repurchases of forward loan assets out of Ginnie Mae securitizations			(223)					(1,823)
Mortgage loans originated and purchased for sale, net of fees			(3,458)					(27,685)
Sales proceeds and loan payment proceeds for mortgage loans held for sale and held for investment			3,537					27,777
Changes in assets and liabilities:
Advances and other receivables			76					266
Reverse mortgage interests			425					1,515
Other assets			25					141
Payables and other liabilities			(179)					(164)
Net cash attributable to operating activities			185					(248)
Investing Activities
Acquisitions, net of cash acquired			0					(85)
Property and equipment additions, net of disposals			(20)					(27)
Purchase of forward mortgage servicing rights, net of liabilities incurred			(63)					(454)
Proceeds on sale of forward and reverse mortgage servicing rights			60					298
Net cash attributable to investing activities			(23)					(268)
Financing Activities
Increase (decrease) in warehouse facilities			186					1,930
(Decrease) increase in advance facilities			(17)					(39)
Repayment of notes payable								(294)
Proceeds from issuance of HECM securitizations								0
Proceeds from sale of HECM securitizations								0
Repayment of HECM securitizations			0					0
Proceeds from issuance of participating interest financing in reverse mortgage interests			45					220
Repayment of participating interest financing in reverse mortgage interests			(403)					(1,472)
Proceeds from issuance of excess spread financing			84					469
Repayment of excess spread financing			(21)					(19)
Settlement of excess spread financing			(31)					(163)
Repayment of nonrecourse debt – legacy assets			0					0
Repayment of finance lease liability								(3)
Surrender of shares relating to stock vesting								(1)
Redemption and repayment of unsecured senior notes			(1,030)
Debt financing costs			(1)					(5)
Net cash attributable to financing activities			(1,188)					623
Net increase (decrease) in cash, cash equivalents, and restricted cash			(1,026)					107
Cash, cash equivalents, and restricted cash - beginning of period			1,358					379
Cash, cash equivalents, and restricted cash - end of period		1,358	332		486		1,358	486
Guarantor (Subsidiaries of Issuer) | Reportable entities
Operating Activities
Net (loss) income attributable to Mr. Cooper			2		4			11
Adjustments to reconcile net income (loss) to net cash attributable to operating activities:
Deferred tax benefit			0					0
Net income attributable to non-controlling interests			0		0			0
(Gain) loss from subsidiaries			0					0
Net gain on mortgage loans held for sale			0		0			0
Interest income on reverse mortgage loans			0					0
Provision for servicing reserves			0					0
Fair value changes and amortization/accretion of mortgage servicing rights/liabilities			0					0
Fair value changes in excess spread financing			0					0
Fair value changes in mortgage servicing rights financing liability								0
Fair value changes in mortgage loans held for investment								0
Amortization of premiums, net of discount accretion			0					0
Depreciation and amortization for property and equipment and intangible assets			0					0
Share-based compensation			0					0
Other loss								0
Repurchases of forward loan assets out of Ginnie Mae securitizations			0					0
Mortgage loans originated and purchased for sale, net of fees			0					0
Sales proceeds and loan payment proceeds for mortgage loans held for sale and held for investment			0					0
Changes in assets and liabilities:
Advances and other receivables			0					0
Reverse mortgage interests			0					0
Other assets			(3)					(12)
Payables and other liabilities			1					1
Net cash attributable to operating activities			0					0
Investing Activities
Acquisitions, net of cash acquired			0					0
Property and equipment additions, net of disposals			0					0
Purchase of forward mortgage servicing rights, net of liabilities incurred			0					0
Proceeds on sale of forward and reverse mortgage servicing rights			0					0
Net cash attributable to investing activities			0					0
Financing Activities
Increase (decrease) in warehouse facilities			0					0
(Decrease) increase in advance facilities			0					0
Repayment of notes payable								0
Proceeds from issuance of HECM securitizations								0
Proceeds from sale of HECM securitizations								0
Repayment of HECM securitizations			0					0
Proceeds from issuance of participating interest financing in reverse mortgage interests			0					0
Repayment of participating interest financing in reverse mortgage interests			0					0
Proceeds from issuance of excess spread financing			0					0
Repayment of excess spread financing			0					0
Settlement of excess spread financing			0					0
Repayment of nonrecourse debt – legacy assets			0					0
Repayment of finance lease liability								0
Surrender of shares relating to stock vesting								0
Redemption and repayment of unsecured senior notes			0
Debt financing costs			0					0
Net cash attributable to financing activities			0					0
Net increase (decrease) in cash, cash equivalents, and restricted cash			0					0
Cash, cash equivalents, and restricted cash - beginning of period			1					1
Cash, cash equivalents, and restricted cash - end of period		1	1		1		1	1
Non-Guarantor (Subsidiaries of Issuer) | Reportable entities
Operating Activities
Net (loss) income attributable to Mr. Cooper			(1)		67			71
Adjustments to reconcile net income (loss) to net cash attributable to operating activities:
Deferred tax benefit			7					0
Net income attributable to non-controlling interests			0		0			0
(Gain) loss from subsidiaries			0					0
Net gain on mortgage loans held for sale			0		(11)			(11)
Interest income on reverse mortgage loans			0					(33)
Provision for servicing reserves			0					0
Fair value changes and amortization/accretion of mortgage servicing rights/liabilities			0					8
Fair value changes in excess spread financing			0					(4)
Fair value changes in mortgage servicing rights financing liability								0
Fair value changes in mortgage loans held for investment								(3)
Amortization of premiums, net of discount accretion			0					(22)
Depreciation and amortization for property and equipment and intangible assets			2					12
Share-based compensation			0					3
Other loss								0
Repurchases of forward loan assets out of Ginnie Mae securitizations			0					0
Mortgage loans originated and purchased for sale, net of fees			0					12
Sales proceeds and loan payment proceeds for mortgage loans held for sale and held for investment			9					139
Changes in assets and liabilities:
Advances and other receivables			0					(1)
Reverse mortgage interests			17					185
Other assets			(37)					(121)
Payables and other liabilities			0					(15)
Net cash attributable to operating activities			(3)					220
Investing Activities
Acquisitions, net of cash acquired			(33)					0
Property and equipment additions, net of disposals			6					(11)
Purchase of forward mortgage servicing rights, net of liabilities incurred			0					0
Proceeds on sale of forward and reverse mortgage servicing rights			0					0
Net cash attributable to investing activities			(27)					(11)
Financing Activities
Increase (decrease) in warehouse facilities			0					0
(Decrease) increase in advance facilities			63					(56)
Repayment of notes payable								0
Proceeds from issuance of HECM securitizations								398
Proceeds from sale of HECM securitizations								20
Repayment of HECM securitizations			(91)					(568)
Proceeds from issuance of participating interest financing in reverse mortgage interests			0					0
Repayment of participating interest financing in reverse mortgage interests			0					0
Proceeds from issuance of excess spread financing			0					0
Repayment of excess spread financing			0					0
Settlement of excess spread financing			0					0
Repayment of nonrecourse debt – legacy assets			(3)					(29)
Repayment of finance lease liability								0
Surrender of shares relating to stock vesting								0
Redemption and repayment of unsecured senior notes			0
Debt financing costs			0					0
Net cash attributable to financing activities			(31)					(235)
Net increase (decrease) in cash, cash equivalents, and restricted cash			(61)					(26)
Cash, cash equivalents, and restricted cash - beginning of period			253					181
Cash, cash equivalents, and restricted cash - end of period		253	192		$ 155		253	$ 155
Nationstar Mortgage Holdings Inc.
Operating Activities
Net (loss) income attributable to Mr. Cooper		(64)					154
Adjustments to reconcile net income (loss) to net cash attributable to operating activities:
Deferred tax benefit							0
Net income attributable to non-controlling interests		0					0
(Gain) loss from subsidiaries							0
Net gain on mortgage loans held for sale		(44)					(295)
Interest income on reverse mortgage loans							(274)
Gain on sale of assets							(9)
MSL related increased obligations							59
Provision for servicing reserves							70
Fair value changes and amortization/accretion of mortgage servicing rights/liabilities							(177)
Fair value changes in excess spread financing							81
Fair value changes in mortgage servicing rights financing liability							16
Fair value changes in mortgage loans held for investment							0
Amortization of premiums, net of discount accretion							8
Depreciation and amortization for property and equipment and intangible assets		4					33
Share-based compensation							17
Other loss							3
Repurchases of forward loan assets out of Ginnie Mae securitizations							(544)
Mortgage loans originated and purchased for sale, net of fees							(12,328)
Sales proceeds and loan payment proceeds for mortgage loans held for sale and held for investment							13,392
Changes in assets and liabilities:
Advances and other receivables							377
Reverse mortgage interests							1,601
Other assets							(41)
Payables and other liabilities							151
Net cash attributable to operating activities							2,294
Investing Activities
Acquisitions, net of cash acquired							0
Property and equipment additions, net of disposals							(40)
Purchase of forward mortgage servicing rights, net of liabilities incurred							(134)
Net payment related to acquisition of 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							(162)
Financing Activities
Increase (decrease) in warehouse facilities							(585)
(Decrease) increase in advance facilities							(305)
Repayment of notes payable							0
Proceeds from issuance of HECM securitizations							759
Proceeds from sale of HECM securitizations							0
Repayment of HECM securitizations							(448)
Proceeds from issuance of participating interest financing in reverse mortgage interests							208
Repayment of participating interest financing in reverse mortgage interests							(1,599)
Proceeds from issuance of excess spread financing							70
Repayment of excess spread financing							(3)
Settlement of excess spread financing							(105)
Repayment of nonrecourse debt – legacy assets							(7)
Repayment of finance lease liability							0
Repurchase of unsecured senior notes							(62)
Surrender of shares relating to stock vesting							(9)
Redemption and repayment of unsecured senior notes							0
Debt financing costs							(24)
Dividends to non-controlling interests							(1)
Net cash attributable to financing activities							(2,111)
Net increase (decrease) in cash, cash equivalents, and restricted cash							21
Cash, cash equivalents, and restricted cash - beginning of period			596	[1]			575
Cash, cash equivalents, and restricted cash - end of period	[1]	596					596
Nationstar Mortgage Holdings Inc. | Eliminations
Operating Activities
Net (loss) income attributable to Mr. Cooper		30					(237)
Adjustments to reconcile net income (loss) to net cash attributable to operating activities:
Net income attributable to non-controlling interests		0					0
(Gain) loss from subsidiaries							237
Net gain on mortgage loans held for sale		0					0
Interest income on reverse mortgage loans							0
Gain on sale of assets							0
MSL related increased obligations							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
Other loss							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 other 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 payment related to acquisition of 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
(Decrease) increase 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							0
Repayment of participating interest financing in reverse mortgage interests							0
Proceeds from issuance of excess spread financing							0
Repayment of excess spread financing							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
Dividends to non-controlling interests							0
Net cash attributable to financing activities							0
Net increase (decrease) in cash, cash equivalents, and restricted cash							0
Cash, cash equivalents, and restricted cash - beginning of period			0				0
Cash, cash equivalents, and restricted cash - end of period		0					0
Nationstar Mortgage Holdings Inc. | Mr. Cooper | Reportable entities
Operating Activities
Net (loss) income attributable to Mr. Cooper		(64)					154
Adjustments to reconcile net income (loss) to net cash attributable to operating activities:
Net income attributable to non-controlling interests		0					0
(Gain) loss from subsidiaries							(181)
Net gain on mortgage loans held for sale		0					0
Interest income on reverse mortgage loans							0
Gain on sale of assets							0
MSL related increased obligations							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
Other loss							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							9
Payables and other liabilities							27
Net cash attributable to operating activities							9
Investing Activities
Property and equipment additions, net of disposals							0
Purchase of forward mortgage servicing rights, net of liabilities incurred							0
Net payment related to acquisition of 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
(Decrease) increase 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							0
Repayment of participating interest financing in reverse mortgage interests							0
Proceeds from issuance of excess spread financing							0
Repayment of excess spread financing							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							(9)
Debt financing costs							0
Dividends to non-controlling interests							0
Net cash attributable to financing activities							(9)
Net increase (decrease) in cash, cash equivalents, and restricted cash							0
Cash, cash equivalents, and restricted cash - beginning of period			0				0
Cash, cash equivalents, and restricted cash - end of period		0					0
Nationstar Mortgage Holdings Inc. | Issuer | Reportable entities
Operating Activities
Net (loss) income attributable to Mr. Cooper		(37)					181
Adjustments to reconcile net income (loss) to net cash attributable to operating activities:
Net income attributable to non-controlling interests		0					0
(Gain) loss from subsidiaries							(56)
Net gain on mortgage loans held for sale		(44)					(295)
Interest income on reverse mortgage loans							(274)
Gain on sale of assets							0
MSL related increased obligations							59
Provision for servicing reserves							70
Fair value changes and amortization/accretion of mortgage servicing rights/liabilities							(178)
Fair value changes in excess spread financing							81
Fair value changes in mortgage servicing rights financing liability							16
Amortization of premiums, net of discount accretion							11
Depreciation and amortization for property and equipment and intangible assets							26
Share-based compensation							16
Other loss							3
Repurchases of forward loan assets out of Ginnie Mae securitizations							(544)
Mortgage loans originated and purchased for sale, net of fees							(12,328)
Sales proceeds and loan payment proceeds for mortgage loans held for sale and held for investment							13,381
Changes in assets and liabilities:
Advances and other receivables							377
Reverse mortgage interests							1,866
Other assets							(293)
Payables and other liabilities							128
Net cash attributable to operating activities							2,247
Investing Activities
Property and equipment additions, net of disposals							(35)
Purchase of forward mortgage servicing rights, net of liabilities incurred							(127)
Net payment related to acquisition of HECM related receivables							(1)
Proceeds on sale of assets							0
Net cash attributable to investing activities							(163)
Financing Activities
Increase (decrease) in warehouse facilities							(585)
(Decrease) increase in advance facilities							(55)
Proceeds from issuance of HECM securitizations							0
Repayment of HECM securitizations							0
Proceeds from issuance of participating interest financing in reverse mortgage interests							208
Repayment of participating interest financing in reverse mortgage interests							(1,599)
Proceeds from issuance of excess spread financing							70
Repayment of excess spread financing							(3)
Settlement of excess spread financing							(105)
Repayment of nonrecourse debt – legacy assets							0
Repurchase of unsecured senior notes							(62)
Surrender of shares relating to stock vesting							0
Debt financing costs							(24)
Dividends to non-controlling interests							(1)
Net cash attributable to financing activities							(2,156)
Net increase (decrease) in cash, cash equivalents, and restricted cash							(72)
Cash, cash equivalents, and restricted cash - beginning of period			351				423
Cash, cash equivalents, and restricted cash - end of period		351					351
Nationstar Mortgage Holdings Inc. | Guarantor (Subsidiaries of Issuer) | Reportable entities
Operating Activities
Net (loss) income attributable to Mr. Cooper		3					12
Adjustments to reconcile net income (loss) to net cash attributable to operating activities:
Net income attributable to non-controlling interests		0					0
(Gain) loss from subsidiaries							0
Net gain on mortgage loans held for sale		0					0
Interest income on reverse mortgage loans							0
Gain on sale of assets							0
MSL related increased obligations							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
Other loss							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							(12)
Payables and other 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 payment related to acquisition of 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
(Decrease) increase 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							0
Repayment of participating interest financing in reverse mortgage interests							0
Proceeds from issuance of excess spread financing							0
Repayment of excess spread financing							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
Dividends to non-controlling interests							0
Net cash attributable to financing activities							0
Net increase (decrease) in cash, cash equivalents, and restricted cash							0
Cash, cash equivalents, and restricted cash - beginning of period			1				1
Cash, cash equivalents, and restricted cash - end of period		1					1
Nationstar Mortgage Holdings Inc. | Non-Guarantor (Subsidiaries of Issuer) | Reportable entities
Operating Activities
Net (loss) income attributable to Mr. Cooper		4					44
Adjustments to reconcile net income (loss) to net cash attributable to operating activities:
Net income attributable to non-controlling interests		0					0
(Gain) loss from subsidiaries							0
Net gain on mortgage loans held for sale		0					0
Interest income on reverse mortgage loans							0
Gain on sale of assets							(9)
MSL related increased obligations							0
Provision for servicing reserves							0
Fair value changes and amortization/accretion of mortgage servicing rights/liabilities							1
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							(3)
Depreciation and amortization for property and equipment and intangible assets							7
Share-based compensation							1
Other loss							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							11
Changes in assets and liabilities:
Advances and other receivables							0
Reverse mortgage interests							(265)
Other assets							255
Payables and other liabilities							(4)
Net cash attributable to operating activities							38
Investing Activities
Property and equipment additions, net of disposals							(5)
Purchase of forward mortgage servicing rights, net of liabilities incurred							(7)
Net payment related to acquisition of HECM related receivables							0
Proceeds on sale of assets							13
Net cash attributable to investing activities							1
Financing Activities
Increase (decrease) in warehouse facilities							0
(Decrease) increase in advance facilities							(250)
Proceeds from issuance of HECM securitizations							759
Repayment of HECM securitizations							(448)
Proceeds from issuance of participating interest financing in reverse mortgage interests							0
Repayment of participating interest financing in reverse mortgage interests							0
Proceeds from issuance of excess spread financing							0
Repayment of excess spread financing							0
Settlement of excess spread financing							0
Repayment of nonrecourse debt – legacy assets							(7)
Repurchase of unsecured senior notes							0
Surrender of shares relating to stock vesting							0
Debt financing costs							0
Dividends to non-controlling interests							0
Net cash attributable to financing activities							54
Net increase (decrease) in cash, cash equivalents, and restricted cash							93
Cash, cash equivalents, and restricted cash - beginning of period			$ 244				151
Cash, cash equivalents, and restricted cash - end of period		$ 244					$ 244

[1] The following table provides a reconciliation of cash, cash equivalents and restricted cash to amount reported within the consolidated balance sheets. Cash and cash equivalents of $371, $198 and $166, Restricted cash of $271, $332, and $430 and Total cash, cash equivalents, and restricted cash of $642, $530 and $596, as of September 30, 2019, September 30, 2018, and July 31, 2018, respectively