Quarterly Financial Data (Unaudited) (Tables)

12 Months Ended

Dec. 31, 2017

Quarterly Financial Information Disclosure [Abstract]

Quarterly Financial Data

Quarter	Net Sales and Operating Revenues		Cost of Sales (Excluding Depreciation and Amortization)		Earnings Before Interest Expense, Income Taxes and Noncontrolling Interests		Net Income Attributable to Tenneco Inc.
	(Millions)
2017
1st	$	2,292	$	1,931	$	121	$	59
2nd	2,317		1,946		27		(3		)
3rd	2,274		1,913		134		83
4th	2,391		2,022		135		68
	$	9,274	$	7,812	$	417	$	207
2016
1st	$	2,136	$	1,770	$	124	$	57
2nd	2,212		1,816		171		82
3rd	2,096		1,743		150		179
4th	2,155		1,794		71		38
	$	8,599	$	7,123	$	516	$	356

Quarter	Basic Earnings  per Share of Common Stock			Diluted Earnings per Share of Common Stock
2017
1st	$	1.10		$	1.09
2nd	(0.05		)	(0.05		)
3rd	1.57			1.57
4th	1.33			1.33
Full Year	3.93			3.91
2016
1st	$	1.00		$	0.99
2nd	1.44			1.43
3rd	3.22			3.19
4th	0.70			0.69
Full Year	6.36			6.31

Note: The sum of the quarters may not equal the total of the respective year’s earnings per share on either a basic or diluted basis due to changes in the weighted average shares outstanding throughout the year.