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Revenues (Tables)

3 Months Ended

Mar. 31, 2020

Revenues

Schedule of revenue disaggregation


		Three months ended March 31, 2020																Three months ended March 31, 2019
		U.S.			Norway			Brazil			Other			Total				U.S.			Norway			Brazil			Other			Total

Ultra-deepwater floaters		$	287		$	—		$	59		$	182		$	528			$	314		$	—		$	26		$	136		$	476
Harsh environment floaters			—			207			—			13			220				—			181			—			77			258
Deepwater floaters			—			—			—			—			—				—			—			6			—			6
Midwater floaters			—			—			—			11			11				—			—			—			14			14
Total revenues		$	287		$	207		$	59		$	206		$	759			$	314		$	181		$	32		$	227		$	754

Schedule of contract balances and changes


		March 31,			December 31,
		2020			2019
Deferred contract revenues, recorded in other current liabilities		$	113		$	100
Deferred contract revenues, recorded in other long-term liabilities			421			429
Total contract liabilities		$	534		$	529

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


		Three months ended
		March 31,
		2020			2019
Total contract liabilities, beginning of period		$	529		$	486
Decrease due to recognition of revenues for goods and services			(41)			(37)
Increase due to goods and services transferred over time			46			38
Total contract liabilities, end of period		$	534		$	487