Revenue Recognition (Tables)

3 Months Ended

Mar. 31, 2018

Revenue from Contract with Customer [Abstract]

Summary of Disaggregate Revenue by Destinations

The following tables disaggregate our revenue by destinations, as we believe it best depicts how the nature, amount, timing and uncertainty of our revenue and cash flows are affected by economic factors. In the tables below, North America includes only the U.S. and Canada. (in millions):


	Three Months Ended March 31, 2018
	Wellbore Technologies		Completion & Production Solutions		Rig Technologies		Eliminations			Total
North America	$	415	$	292	$	135	$	—		$	842
International		282		358		313		—			953
Eliminations		14		20		35		(69	)		—

	$	711	$	670	$	483	$	(69	)	$	1,795

Land	$	583	$	446	$	172	$	—		$	1,201
Offshore		114		204		276		—			594
Eliminations		14		20		35		(69	)		—

	$	711	$	670	$	483	$	(69	)	$	1,795


	Three Months Ended March 31, 2017
	Wellbore Technologies		Completion & Production Solutions		Rig Technologies		Eliminations			Total
North America	$	295	$	233	$	120	$	—		$	648
International		248		402		443		—			1,093
Eliminations		12		13		19		(44	)		—

	$	555	$	648	$	582	$	(44	)	$	1,741

Land	$	436	$	403	$	161	$	—		$	1,000
Offshore		107		232		402		—			741
Eliminations		12		13		19		(44	)		—

	$	555	$	648	$	582	$	(44	)	$	1,741

Summary of Changes in Carrying Amount of Contract Assets and Contract Liabilities

The changes in the carrying amount of contract assets and contract liabilities are as follows (in millions):


Contract Assets
Balance at December 31, 2017	$	495
Additions and Milestone Billings		(213	)
Revenue Recognized		206
Currency translation adjustments and other		(73	)

Balance at March 31, 2018	$	415

Contract Liabilities
Balance at December 31, 2017	$	519
Additions		273
Revenue Recognized		(205	)
Currency translation adjustments and other		11

Balance at March 31, 2018	$	598