SUPPLEMENTAL BALANCE SHEET DETAIL

12 Months Ended

Dec. 31, 2019

Organization Consolidation And Presentation Of Financial Statements [Abstract]

NOTE 11—SUPPLEMENTAL BALANCE SHEET DETAIL

The components of property, plant and equipment, other current assets, and other current and non-current liabilities as of December 31, 2019 and 2018 were as follows:

	December 31,
	2019			2018
	(In millions)
Property, plant and equipment
Marine vessels	$	1,723		$	1,686
Construction and other equipment		643			704
Buildings		296			292
Company equipment under construction		204			99
Assets under finance lease		59			75
Land		39			41
Other		282			185
Total property, plant and equipment		3,246			3,082
Accumulated depreciation⁽¹⁾		(1,117	)		(1,015	)
Property, plant and equipment, net	$	2,129		$	2,067

Accrued liabilities
Accrued contract costs	$	767		$	796
Advances from equity method and proportionally consolidated joint ventures and consortiums ⁽²⁾		124			148
Income taxes payable		70			69
Accrued interest payable		126			32
Other accrued liabilities ⁽³⁾		571			519
Accrued liabilities	$	1,658		$	1,564

Other non-current liabilities
Pension, post-retirement medical and other employee benefit obligations	$	338		$	324
Self-insurance reserve		76			80
Income tax reserves		84			86
Other ⁽⁴⁾		285			174
Other non-current liabilities	$	783		$	664

⁽¹⁾	Our depreciation expense was approximately $128 million, $115 million and $93 million in 2019, 2018 and 2017, respectively. For a discussion relating to impairments of marine-vessel-related property, plant and equipment, see Note 16, Fair Value Measurements.

⁽²⁾	^{Represents advances from our joint ventures and consortiums in which we participate. See Note 10, Joint Venture and Consortium Arrangements for further discussion.}

⁽³⁾	^{Represents various accruals that are individually less than 5% of total current liabilities.}

⁽⁴⁾	Includes $129 million in 2019 and $17 million in 2018 associated with accrued liabilities incurred in connection with the Amazon Modification Agreements, as defined in Note 14, Lease Obligations.

Interest Capitalization—We incurred interest of $749 million, $270 million and $67 million and capitalized $7 million, $4 million and $2 million of interest in 2019, 2018 and 2017, respectively. The capitalized interest primarily related to information technology projects and vessels under construction.