Three months ended 

March 31,

2017

2016

(amounts in millions)

Cost of subscriber services:

Programming and content

$

 7

 4

Customer service and billing

 1

 1

Other

 1

 1

Other operating expense

 4

 3

Selling, general and administrative

31

25

$

44

34

Series A

Series C

Weighted

Aggregate

Weighted

Aggregate

average

intrinsic

average

intrinsic

Liberty

remaining

value

Liberty

remaining

value

Awards (000's)

WAEP

life

(millions)

Awards (000's)

WAEP

life

(millions)

Outstanding at January 1, 2017

2,018

$

19.39

11,008

$

25.91

Granted

 —

$

 —

148

$

39.21

Exercised

(142)

$

15.08

(326)

$

15.52

Forfeited/Cancelled

 —

$

 —

(49)

$

32.61

Outstanding at March 31, 2017

1,876

$

19.71

 2.7

years

$

36

10,781

$

26.38

 4.5

years

$

134

Exercisable at March 31, 2017

1,857

$

19.65

 2.7

years

$

36

5,322

$

23.18

 3.7

years

$

83

Series A

Series C

Weighted

Aggregate

Weighted

Aggregate

average

intrinsic

average

intrinsic

Liberty

remaining

value

Liberty

remaining

value

Awards (000's)

WAEP

life

(millions)

Awards (000's)

WAEP

life

(millions)

Outstanding at January 1, 2017

189

$

11.30

1,073

$

14.92

Granted

 —

$

 —

168

$

23.45

Exercised

(9)

$

8.63

(12)

$

10.91

Forfeited/Cancelled

 —

$

 —

(5)

$

18.84

Outstanding at March 31, 2017

180

$

11.44

 2.7

years

$

 2

1,224

$

16.11

 4.8

years

$

 9

Exercisable at March 31, 2017

178

$

11.41

2.7

years

$

 2

551

$

13.59

 3.8

years

$

 6

Series A

Series C

Weighted

Aggregate

Weighted

Aggregate

average

intrinsic

average

intrinsic

Liberty

remaining

value

Liberty

remaining

value

Awards (000's)

WAEP

life

(millions)

Awards (000's)

WAEP

life

(millions)

Outstanding at January 1, 2017

455

$

11.55

2,611

$

15.18

Granted

 —

$

 —

2,263

$

33.98

Exercised

(15)

$

11.39

(80)

$

9.71

Forfeited/Cancelled

 —

$

 —

(12)

$

18.83

Outstanding at March 31, 2017

440

$

11.56

 2.7

years

$

 9

4,782

$

24.16

 5.7

years

$

48

Exercisable at March 31, 2017

436

$

11.53

 2.7

years

$

 9

1,227

$

13.81

 3.8

years

$

25