Investments

3 Months Ended

Mar. 31, 2016

Investments, Debt and Equity Securities [Abstract]

Investments in Debt and Marketable Equity Securities (and Certain Trading Assets) Disclosure [Text Block]

Investments

BNSF holds investments which are classified as trading securities and included in Other Assets on the balance sheet. The following table summarizes the fair value of investments held as of March 31, 2016 and December 31, 2015 (in millions):

	March 31, 2016		December 31, 2015
Debt securities	$	55	$	57
Equity securities	63		63
Total	$	118	$	120

The fair value measurements of BNSF’s debt securities are based on Level 2 inputs and equity securities are based on Level 1 inputs, using a market approach. The following table presents gains and losses recognized in earnings for the Company (in millions):

	Three Months Ended March 31,
	2016			2015
Gains	$	5		$	—
Losses	(4		)	—
Net Gain	$	1		$	—