Derivative contracts (Tables) - Finance and Financial Products [Member]

12 Months Ended

Dec. 31, 2017

Derivative contracts outstanding

 The liabilities and related notional values of such contracts follows (in millions).

	December 31, 2017					December 31, 2016
	Liabilities		Notional Value			Liabilities		Notional Value
Equity index put options	$	2,172	$	28,753	(1)	$	2,890	$	26,497	(1)

⁽¹⁾  Represents the aggregate undiscounted amounts payable assuming that the value of each index is zero at each contract’s expiration date. Certain of these contracts are denominated in foreign currencies. Notional amounts are based on the foreign currency exchange rates as of each balance sheet date.

Derivative gains/losses included in the Consolidated Statements of Earnings

A summary of the derivative gains/losses included in our Consolidated Statements of Earnings in each of the three years ending December 31, 2017 follows (in millions).

	2017		2016		2015
Equity index put options	$	718	$	662	$	1,008
Other		—		89		(34	)
	$	718	$	751	$	974