Acquisitions and Divestitures - Purchase Price Allocation (Details) - USD ($) $ / shares in Units, $ in Millions		1 Months Ended
Oct. 01, 2018	Oct. 31, 2018
Business Acquisition [Line Items]
Tenneco share price at October 1, 2018	$ 41.99
Cash Consideration		$ 811
Repayment of Federal-Mogul debt and accrued interest		1,660
Total consideration	$ 3,700	$ 3,707
Common Stock
Business Acquisition [Line Items]
Tenneco shares issued for purchase of Federal-Mogul (in shares)		29,444,846
Fair value of the Stock Consideration	$ 1,236

Value of equity interests (such as common shares, preferred shares, or partnership interest) issued or issuable to acquire the entity.

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Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

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The cash outflow associated with other payments to acquire businesses including deposit on pending acquisitions and preacquisition costs.

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