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Schedule II National Oilwell Varco, Inc. Valuation and Qualifying Accounts
 12 Months Ended
Dec. 31, 2019
Valuation And Qualifying Accounts [Abstract]  
Schedule II National Oilwell Varco, Inc. Valuation and Qualifying Accounts

SCHEDULE II

NATIONAL OILWELL VARCO, INC.

VALUATION AND QUALIFYING ACCOUNTS

Years Ended December 31, 2019, 2018 and 2017

(in millions)

 

 

 

Balance

beginning

of year

 

 

Additions

(Deductions)

charged to

costs and

expenses

 

 

Charge off's

and other

 

 

Balance

end of

year

 

Allowance for doubtful accounts:

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2019

 

$

161

 

 

$

21

 

 

$

(50

)

 

$

132

 

2018

 

 

187

 

 

 

17

 

 

 

(43

)

 

 

161

 

2017

 

 

209

 

 

 

6

 

 

 

(28

)

 

 

187

 

Reserve for excess and obsolete inventories:

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2019

 

$

644

 

 

$

659

 

 

$

(460

)

 

$

843

 

2018

 

 

800

 

 

 

49

 

 

 

(205

)

 

 

644

 

2017

 

 

1,017

 

 

 

114

 

 

 

(331

)

 

 

800

 

Valuation allowance for deferred tax assets:

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2019

 

$

955

 

 

$

218

 

 

$

2

 

 

$

1,175

 

2018

 

 

1,202

 

 

 

49

 

 

 

(296

)

 

 

955

 

2017

 

 

544

 

 

 

280

 

 

 

378

 

 

 

1,202

 

Environmental accruals

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2019

 

$

66

 

 

$

57

 

 

$

(19

)

 

$

104

 

2018

 

 

38

 

 

 

37

 

 

 

(9

)

 

 

66

 

2017

 

 

43

 

 

 

2

 

 

 

(7

)

 

 

38

 

Warranty reserve:

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2019

 

$

105

 

 

$

41

 

 

$

(56

)

 

$

90

 

2018

 

 

135

 

 

 

38

 

 

 

(68

)

 

 

105

 

2017

 

 

172

 

 

 

46

 

 

 

(83

)

 

 

135