3. Restricted Cash, Cash Equivalents and Investments

The following table summarizes Restricted cash, cash equivalents and investment balances:

	June 30,		December 31,
	2013		2012
	(In millions)
Restricted cash and cash equivalents	$	349	$	304
Restricted investments, at fair value	—		121
Total	$	349	$	425

During the three months ended June 30, 2013, the Company terminated its remaining reinsurance agreement. As a result, the restricted cash and investments held in trust to pay future losses were released and the remaining liability was settled with the primary mortgage insurer. As of June 30, 2013, the Company no longer had any restricted investments classified as available-for-sale securities since the investments were sold in order to distribute unrestricted cash to the Company and primary mortgage insurer pursuant to the termination agreement. See Note 12, “Credit Risk” for information regarding the termination.

The following tables summarize Restricted investments, at fair value as of December 31, 2012:

	Amortized Cost		Fair Value		Unrealized Gains		Unrealized Losses		Weighted- average remaining maturity
					(In millions)
Corporate securities	$	30	$	31	$	1	$	—	25 mos.
Agency securities (1)	39		39		—		—		21 mos.
Government securities	51		51		—		—		19 mos.
Total	$	120	$	121	$	1	$	—	21 mos.

(1) Represents bonds and notes issued by various agencies including, but not limited to, Fannie Mae, Freddie Mac and Federal Home Loan Banks.

During both the three and six months ended June 30, 2013, $1 million of realized gains and $1 million of realized losses from the sale of available-for-sale securities were recorded. The amount of realized gains and losses from the sale of available-for-sale securities was not significant for the three months ended June 30, 2012. During the six months ended June 30, 2012, realized gains of $1 million from the sale of available-for-sale securities were recorded, and realized losses were not significant.