Trading Assets and Liabilities

Trading assets and liabilities consisted of the following:



	September 30, 2017		December 31, 2016
	(in millions)
Trading assets:
U.S. Treasury	$	4,250	$	3,560
U.S. Government agency issued or guaranteed	125		24
U.S. Government sponsored enterprises	213		222
Asset-backed securities	288		365
Corporate and foreign bonds	6,130		6,481
Other securities	12		15
Precious metals	19,124		1,772
Derivatives, net	3,378		4,411
Total trading assets	$	33,520	$	16,850
Trading liabilities:
Securities sold, not yet purchased	$	1,474	$	1,060
Payables for precious metals	—		62
Derivatives, net	2,610		3,786
Total trading liabilities	$	4,084	$	4,908

At September 30, 2017 and December 31, 2016, the fair value of derivatives included in trading assets is net of $3,628 million and $4,462 million, respectively, relating to amounts recognized for the obligation to return cash collateral received under master netting agreements with derivative counterparties.

At September 30, 2017 and December 31, 2016, the fair value of derivatives included in trading liabilities is net of $3,195 million and $3,826 million, respectively, relating to amounts recognized for the right to reclaim cash collateral paid under master netting agreements with derivative counterparties.

See Note 9, "Derivative Financial Instruments," for further information on our trading derivatives and related collateral.