Derivative financial instruments (Tables)

12 Months Ended

Dec. 31, 2015

	Total notional amounts at December 31,
Type of derivative ($ in millions)	2015		2014		2013
Foreign exchange contracts		16,467		18,564		19,351
Embedded foreign exchange derivatives		2,966		3,013		3,049
Interest rate contracts		4,302		2,242		4,693

		Total notional amounts at December 31,
Type of derivative	Unit	2015		2014		2013
Copper swaps	metric tonnes		48,903		46,520		42,866
Aluminum swaps	metric tonnes		5,455		3,846		3,525
Nickel swaps	metric tonnes		18		—		18
Lead swaps	metric tonnes		14,625		6,550		7,100
Zinc swaps	metric tonnes		225		200		300
Silver swaps	ounces		1,727,255		1,996,845		1,936,581
Electricity futures	megawatt hours		—		—		279,995
Crude oil swaps	barrels		133,500		128,000		113,000

2015
	Gains (losses) recognized in OCI on derivatives (effective portion)			Gains (losses) reclassified from OCI into income (effective portion)				Gains (losses) recognized in income (ineffective portion and amount excluded from effectiveness testing)
Type of derivative designated as a cash flow hedge					($ in millions)				($ in millions)
Type of derivative designated as a cash flow hedge	($ in millions)			Location	($ in millions)			Location	($ in millions)
Foreign exchange contracts		(11	)	Total revenues		(36	)	Total revenues		—
				Total cost of sales		11		Total cost of sales		—
Commodity contracts		(9	)	Total cost of sales		(10	)	Total cost of sales		—
Cash-settled call options		(6	)	SG&A expenses(1)		(4	)	SG&A expenses(1)		—

Total		(26	)			(39	)			—

2014
	Gains (losses) recognized in OCI on derivatives (effective portion)			Gains (losses) reclassified from OCI into income (effective portion)				Gains (losses) recognized in income (ineffective portion and amount excluded from effectiveness testing)
Type of derivative designated as a cash flow hedge					($ in millions)				($ in millions)
Type of derivative designated as a cash flow hedge	($ in millions)			Location	($ in millions)			Location	($ in millions)
Foreign exchange contracts		(42	)	Total revenues		(9	)	Total revenues		—
				Total cost of sales		8		Total cost of sales		—
Commodity contracts		(7	)	Total cost of sales		(3	)	Total cost of sales		—
Cash-settled call options		(16	)	SG&A expenses(1)		(6	)	SG&A expenses(1)		—

Total		(65	)			(10	)			—

2013
	Gains (losses) recognized in OCI on derivatives (effective portion)			Gains (losses) reclassified from OCI into income (effective portion)				Gains (losses) recognized in income (ineffective portion and amount excluded from effectiveness testing)
Type of derivative designated as a cash flow hedge					($ in millions)				($ in millions)
Type of derivative designated as a cash flow hedge	($ in millions)			Location	($ in millions)			Location	($ in millions)
Foreign exchange contracts		22		Total revenues		52		Total revenues		—
				Total cost of sales		(1	)	Total cost of sales		—
Commodity contracts		(5	)	Total cost of sales		(5	)	Total cost of sales		—
Cash-settled call options		16		SG&A expenses(1)		8		SG&A expenses(1)		—

Total		33				54				—


(1)	SG&A expenses represent "Selling, general and administrative expenses".

2015
	Gains (losses) recognized in income on derivatives designated as fair value hedges			Gains (losses) recognized in income on hedged item
Type of derivative designated as a fair value hedge	Location	($ in millions)		Location	($ in millions)
Interest rate contracts	Interest and other finance expense		8	Interest and other finance expense		(4	)

2014
	Gains (losses) recognized in income on derivatives designated as fair value hedges			Gains (losses) recognized in income on hedged item
Type of derivative designated as a fair value hedge	Location	($ in millions)		Location	($ in millions)
Interest rate contracts	Interest and other finance expense		84	Interest and other finance expense		(83	)

2013
	Gains (losses) recognized in income on derivatives designated as fair value hedges				Gains (losses) recognized in income on hedged item
Type of derivative designated as a fair value hedge	Location	($ in millions)			Location	($ in millions)
Interest rate contracts	Interest and other finance expense		(34	)	Interest and other finance expense		35

	Gains (losses) recognized in income
($ in millions) Type of derivative not designated as a hedge	Location	2015			2014			2013
Foreign exchange contracts	Total revenues		(216	)		(533	)		(95	)
	Total cost of sales		16			19			80
	SG&A expenses(1)		13			2			(1	)
	Non-order related research and development		(1	)		—			—
	Interest and other finance expense		287			(260	)		223
Embedded foreign exchange contracts	Total revenues		127			149			101
	Total cost of sales		(25	)		(27	)		(10	)
	SG&A expenses(1)		(5	)		—			—
Commodity contracts	Total cost of sales		(61	)		(28	)		(50	)
	Interest and other finance expense		1			1			1
Interest rate contracts	Interest and other finance expense		(1	)		(1	)		(3	)
Cash-settled call options	Interest and other finance expense		—			(1	)		—
Cross-currency interest rate swaps	Interest and other finance expense		(1	)		—			—

Total			134			(679	)		246


(1)	SG&A expenses represent "Selling, general and administrative expenses".

	December 31, 2015
	Derivative assets				Derivative liabilities
($ in millions)	Current in "Other current assets"		Non-current in "Other non-current assets"		Current in "Other current liabilities"		Non-current in "Other non-current liabilities"
Derivatives designated as hedging instruments:
Foreign exchange contracts		15		10		8		16
Commodity contracts		—		—		3		—
Interest rate contracts		6		86		—		—
Cash-settled call options		8		5		—		—

Total		29		101		11		16

Derivatives not designated as hedging instruments:
Foreign exchange contracts		172		32		237		81
Commodity contracts		2		—		29		9
Cross-currency interest rate swaps		—		—		—		1
Embedded foreign exchange derivatives		94		53		41		27

Total		268		85		307		118

Total fair value		297		186		318		134

	December 31, 2014
	Derivative assets				Derivative liabilities
($ in millions)	Current in "Other current assets"		Non-current in "Other non-current assets"		Current in "Other current liabilities"		Non-current in "Other non-current liabilities"
Derivatives designated as hedging instruments:
Foreign exchange contracts		9		9		20		16
Commodity contracts		—		—		3		—
Interest rate contracts		—		85		—		—
Cash-settled call options		21		11		—		—

Total		30		105		23		16

Derivatives not designated as hedging instruments:
Foreign exchange contracts		156		25		369		72
Commodity contracts		4		—		19		3
Cash-settled call options		1		1		—		—
Embedded foreign exchange derivatives		98		58		27		17

Total		259		84		415		92

Total fair value		289		189		438		108

	December 31, 2015
($ in millions) Type of agreement or similar arrangement	Gross amount of recognized assets		Derivative liabilities eligible for set-off in case of default			Cash collateral received		Non-cash collateral received			Net asset exposure
Derivatives		336		(215	)		—		—			121
Reverse repurchase agreements		224		—			—		(224	)		—

Total		560		(215	)		—		(224	)		121

	December 31, 2014
($ in millions) Type of agreement or similar arrangement	Gross amount of recognized assets		Derivative liabilities eligible for set-off in case of default			Cash collateral received		Non-cash collateral received			Net asset exposure
Derivatives		322		(216	)		—		—			106
Reverse repurchase agreements		219		—			—		(219	)		—

Total		541		(216	)		—		(219	)		106

	December 31, 2015
($ in millions) Type of agreement or similar arrangement	Gross amount of recognized liabilities		Derivative liabilities eligible for set-off in case of default			Cash collateral pledged			Non-cash collateral pledged		Net liability exposure
Derivatives		384		(215	)		(3	)		—		166

Total		384		(215	)		(3	)		—		166

	December 31, 2014
($ in millions) Type of agreement or similar arrangement	Gross amount of recognized liabilities		Derivative liabilities eligible for set-off in case of default			Cash collateral pledged			Non-cash collateral pledged		Net liability exposure
Derivatives		502		(216	)		(3	)		—		283

Total		502		(216	)		(3	)		—		283