Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2015

Accounting Policies [Abstract]

Summary of Financial Information for Joint Ventures

The following tables present summarized financial information for these joint ventures:

Year Ended December 31				2015			2014
(In millions)
Total assets					$	1,577		$	1,231
Total liabilities						1,231			1,025
Year Ended December 31	2015			2014			2013
Revenues		$	606		$	491		$	349
Net income			71			32			7

Schedule of Life Settlement Contracts Fair Value Method

The following table details the values for life settlement contracts. The determination of fair value is discussed in Note 4.

	Number of Life Settlement Contracts		Fair Value of Life Settlement Contracts		Face Amount of Life Insurance Policies
(Dollar amounts in millions)
Estimated maturity during:
2016		60	$	11	$	35
2017		60		10		31
2018		50		8		27
2019		40		6		24
2020		40		5		21
Thereafter		300		34		167
Total		550	$	74	$	305

Principal Service Lives

The principal service lives used in computing provisions for depreciation are as follows:

	Years
Pipeline equipment		30 to 50
Offshore drilling equipment		15 to 30
Other		3 to 40