Revenues (Tables)

9 Months Ended

Sep. 30, 2020

Revenues

Schedule of revenue disaggregation

	Three months ended September 30, 2020										Three months ended September 30, 2019
	U.S.		Norway		Brazil		Other		Total		U.S.		Norway		Brazil		Other		Total
Ultra-deepwater floaters	$	295	$	—	$	60	$	135	$	490	$	317	$	—	$	27	$	149	$	493
Harsh environment floaters		—		233		—		50		283		4		200		—		77		281
Deepwater floaters		—		—		—		—		—		—		—		—		—		—
Midwater floaters		—		—		—		—		—		—		—		—		10		10
Total revenues	$	295	$	233	$	60	$	185	$	773	$	321	$	200	$	27	$	236	$	784

	Nine months ended September 30, 2020										Nine months ended September 30, 2019
	U.S.		Norway		Brazil		Other		Total		U.S.		Norway		Brazil		Other		Total
Ultra-deepwater floaters	$	1,022	$	—	$	176	$	456	$	1,654	$	940	$	—	$	81	$	434	$	1,455
Harsh environment floaters		—		647		—		149		796		4		554		—		232		790
Deepwater floaters		—		—		—		—		—		—		—		6		1		7
Midwater floaters		—		—		—		12		12		—		—		—		44		44
Total revenues	$	1,022	$	647	$	176	$	617	$	2,462	$	944	$	554	$	87	$	711	$	2,296

Schedule of contract balances and changes

	September 30,		December 31,
	2020		2019
Deferred contract revenues, recorded in other current liabilities	$	138	$	100
Deferred contract revenues, recorded in other long-term liabilities		346		429
Total contract liabilities	$	484	$	529

Significant changes in contract liabilities were as follows (in millions):

	Nine months ended
	September 30,
	2020		2019
Total contract liabilities, beginning of period	$	529	$	486
Decrease due to recognition of revenues for goods and services		(153)		(83)
Increase due to goods and services transferred over time		108		102
Total contract liabilities, end of period	$	484	$	505