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Summary of Accounting Policies (Tables)
12 Months Ended
Dec. 31, 2017
Accounting Policies [Abstract]  
Reconciliation of Earnings Per Share

The following is a reconciliation from basic to diluted earnings (loss) per share of Schlumberger for each of the last three years:

 

(Stated in millions, except per share amounts)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Net Income (Loss) Attributable to Schlumberger

 

 

Average

Shares

Outstanding

 

 

Earnings (Loss) per Share

 

2017:

 

 

 

 

 

 

 

 

 

 

 

 

Basic

 

$

(1,505

)

 

 

1,388

 

 

$

(1.08

)

Assumed exercise of stock options

 

 

-

 

 

 

-

 

 

 

 

 

Unvested restricted stock

 

 

-

 

 

 

-

 

 

 

 

 

Diluted

 

$

(1,505

)

 

 

1,388

 

 

$

(1.08

)

2016:

 

 

 

 

 

 

 

 

 

 

 

 

Basic

 

$

(1,687

)

 

 

1,357

 

 

$

(1.24

)

Assumed exercise of stock options

 

 

-

 

 

 

-

 

 

 

 

 

Unvested restricted stock

 

 

-

 

 

 

-

 

 

 

 

 

Diluted

 

$

(1,687

)

 

 

1,357

 

 

$

(1.24

)

2015:

 

 

 

 

 

 

 

 

 

 

 

 

Basic

 

$

2,072

 

 

 

1,267

 

 

$

1.63

 

Assumed exercise of stock options

 

 

-

 

 

 

4

 

 

 

 

 

Unvested restricted stock

 

 

-

 

 

 

4

 

 

 

 

 

Diluted

 

$

2,072

 

 

 

1,275

 

 

$

1.63

 

 

Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share

The number of outstanding employee stock options to purchase shares of Schlumberger common stock and unvested restricted stock units that were not included in the computation of diluted earnings/loss per share, because to do so would have had an anti-dilutive effect, were as follows:

(Stated in millions)

 

 

 

 

 

 

 

 

 

 

 

 

2017

 

 

2016

 

 

2015

 

Employee stock options

 

47

 

 

 

47

 

 

 

20

 

Unvested restricted stock

 

5

 

 

 

5

 

 

 

-