XML 18 R11.htm IDEA: XBRL DOCUMENT v3.19.2
Depreciation, depletion and amortization
6 Months Ended
Jun. 30, 2019
Analysis of income and expense [abstract]  
Depreciation, depletion and amortization
Depreciation, depletion and amortization
 
 
Second

Second

 
First

First

 
 
quarter

quarter

 
half

half

$ million
 
2019

2018

 
2019

2018

Upstream
 
 
 
 
 
 
US
 
1,288

999

 
2,401

2,087

Non-US
 
2,396

2,226

 
4,894

4,498

 
 
3,684

3,225

 
7,295

6,585

Downstream
 
 
 
 
 
 
US
 
333

221

 
656

440

Non-US
 
392

293

 
775

595

 
 
725

514

 
1,431

1,035

Other businesses and corporate
 
 
 
 
 
 
US
 
14

16

 
27

32

Non-US
 
165

56

 
296

90

 
 
179

72

 
323

122

Total group
 
4,588

3,811

 
9,049

7,742