Unaudited Condensed Consolidated Statements of Cash Flows - USD ($) $ in Millions		6 Months Ended
		Jun. 30, 2021	Jun. 30, 2020
Operating Activities
Net income (loss)		$ 1,000	$ (98)
Net income (loss) from discontinued operations		14	(16)
Net income (loss) from continuing operations		986	(82)
Adjustments to reconcile net income (loss) from continuing operations to net cash attributable to operating activities:
Deferred tax expense (benefit)		220	(49)
Net gain on mortgage loans held for sale		(1,261)	(949)
Provision for servicing and non-servicing reserves		21	11
Fair value changes and amortization of mortgage servicing rights		190	1,055
Fair value changes in MSR related liabilities		2	(89)
Depreciation and amortization for property and equipment and intangible assets		31	36
Gain on sale of business		(487)	0
Other operating activities		24	26
Repurchases of forward loan assets out of Ginnie Mae securitizations		(5,812)	(2,092)
Mortgage loans originated and purchased for sale, net of fees		(47,560)	(23,110)
Sales proceeds and loan payment proceeds for mortgage loans held for sale		52,923	26,606
Changes in assets and liabilities:
Advances and other receivables		48	270
Other assets		101	(5)
Payables and other liabilities		13	(119)
Net cash attributable to operating activities - continuing operations		(561)	1,509
Net cash attributable to operating activities - discontinued operations		447	557
Net cash attributable to operating activities		(114)	2,066
Investing Activities
Property and equipment additions, net of disposals		(26)	(26)
Purchase of forward mortgage servicing rights		(217)	(31)
Proceeds on sale of forward mortgage servicing rights		13	43
Other investing activities		(17)	0
Net cash attributable to investing activities - continuing operations		(247)	(14)
Net cash attributable to investing activities - discontinued operations		0	0
Net cash attributable to investing activities		(247)	(14)
Financing Activities
Increase in advance and warehouse facilities		1,047	(520)
Settlements and repayments of excess spread financing		(81)	(110)
Issuance of unsecured senior notes		0	600
Redemption and repayment of unsecured senior notes		0	(698)
Repurchase of common stock		(148)	0
Other financing activities		(24)	(2)
Net cash attributable to financing activities - continuing operations		794	(730)
Net cash attributable to financing activities - discontinued operations		(440)	(633)
Net cash attributable to financing activities		354	(1,363)
Net (decrease) increase in cash, cash equivalents, and restricted cash		(7)	689
Cash, cash equivalents, and restricted cash - beginning of period		913	612
Cash, cash equivalents, and restricted cash - end of period(1)	[1]	906	1,301
Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract]
Consideration from sale of business		499	0
Purchase of forward mortgage servicing rights		$ 7	$ 0

[1] The following table provides a reconciliation of cash, cash equivalents and restricted cash to amounts reported within the condensed consolidated balance sheets. June 30, 2021June 30, 2020Cash and cash equivalents$716 $1,041 Restricted cash113 178 Restricted cash within assets of discontinued operations77 82 Total cash, cash equivalents, and restricted cash$906 $1,301