Acquisitions and Merger (Tables)

12 Months Ended

Dec. 31, 2018

Business Combinations [Abstract]

Summary of estimated fair values of assets acquired and liabilities assumed, net

The following table summarizes the fair values of the assets acquired and liabilities assumed at the acquisition date, based on an independent appraisal that was completed in the fourth quarter of 2018 (in millions). During the third and fourth quarters of 2018, we recognized immaterial adjustments to the preliminary amounts recorded for the Peru Acquisition with a corresponding adjustment to goodwill due to the completion of the independent appraisal. These adjustments did not have a material effect on our results of operations for the year ended December 31, 2018.

Current assets, net of cash acquired	$	158
Property, plant, and equipment	102
Deferred charges and other assets	466
Current liabilities, excluding current portion of debt	(26		)
Debt assumed, including current portion	(137		)
Deferred income tax liabilities	(62		)
Other long-term liabilities	(27		)
Noncontrolling interest	(6		)
Total consideration, net of cash acquired	$	468