XML 38 R25.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2
Summary of Significant Accounting Policies (Tables)
 12 Months Ended
Dec. 31, 2019
Accounting Policies [Abstract]  
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction
Estimated future revenues related to remaining performance obligations were as follows as of December 31, 2019:
(millions)
2020
2021
2022
2023
2024
Thereafter
Total
Natural Gas Revenues(1)
$
743

$
768

$
583

$
583

$
583

$
5,259

$
8,519

(1) 
Includes amounts related to the Tamar and Leviathan fields, offshore Israel.