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Segmental analysis (Tables)
12 Months Ended
Dec. 31, 2020
Operating Segments [Abstract]  
Summary of financial information, by segment
$ million
 2020
By businessUpstreamDownstreamRosneftOther
businesses
and
corporate
Consolidation adjustment and eliminationsTotal
group
Segment revenues      
Sales and other operating revenues34,197 162,974 — 1,716 (18,521)180,366 
Less: sales and other operating revenues between segments(17,130)(158)— (1,233)18,521 — 
Third party sales and other operating revenues17,067 162,816 — 483 — 180,366 
Earnings from joint ventures and associates – after interest and tax(268)214 (229)(120)— (403)
Segment results
Replacement cost profit (loss) before interest and taxation(21,547)3,418 (149)(683)89 (18,872)
Inventory holding gains (losses)a
17 (2,796)(89)— — (2,868)
Profit (loss) before interest and taxation(21,530)622 (238)(683)89 (21,740)
Finance costs(3,115)
Net finance expense relating to pensions and other post-retirement benefits(33)
Profit before taxation(24,888)
Other income statement items
Depreciation, depletion and amortization
US3,772 1,359 — 63 — 5,194 
Non-US7,447 1,631 — 617 — 9,695 
Charges for provisions, net of write-back of unused provisions, including change in discount rate56 1,903 — 543 — 2,502 
Segment assets
Investments in joint ventures and associates10,749 3,671 11,808 1,109 — 27,337 
Additions to non-current assetsb
8,743 5,359 — 655 — 14,757 
a    See explanation of inventory holding gains and losses on page 180.
b    Includes additions to property, plant and equipment; goodwill; intangible assets; investments in joint ventures; and investments in associates.
$ million
      2019
By businessUpstreamDownstreamRosneftOther businesses and corporateConsolidation adjustment and eliminationsTotal
group
Segment revenues      
Sales and other operating revenues54,501 250,897 — 1,788 (28,789)278,397 
Less: sales and other operating revenues between segments
(27,034)(973)— (782)28,789 — 
Third party sales and other operating revenues27,467 249,924 — 1,006 — 278,397 
Earnings from joint ventures and associates – after interest and tax
603 374 2,295 (15)— 3,257 
Segment results      
Replacement cost profit (loss) before interest and taxation
4,917 6,502 2,316 (2,771)75 11,039 
Inventory holding gains (losses)a
(8)685 (10)— — 667 
Profit (loss) before interest and taxation4,909 7,187 2,306 (2,771)75 11,706 
Finance costs(3,489)
Net finance expense relating to pensions and other post-retirement benefits
     (63)
Profit before taxation     8,154 
Other income statement items      
Depreciation, depletion and amortization
US4,672 1,335 — 55 — 6,062 
Non-US9,560 1,586 — 572 — 11,718 
Charges for provisions, net of write-back of unused provisions, including change in discount rate
118 507 — 560 — 1,185 
Segment assets      
Investments in joint ventures and associates
12,196 3,609 12,927 1,593 — 30,325 
Additions to non-current assetsb
16,254 4,014 — 2,345 — 22,613 
a    See explanation of inventory holding gains and losses on page 180.
b    Includes additions to property, plant and equipment; goodwill; intangible assets; investments in joint ventures; and investments in associates.
5. Segmental analysis – continued
$ million
 2018
By business UpstreamDownstreamRosneftOther businesses and corporateConsolidation adjustment and eliminationsTotal
group
Segment revenues      
Sales and other operating revenues56,399 270,689 — 1,678 (30,010)298,756 
Less: sales and other operating revenues between segments
(28,565)(574)— (871)30,010 — 
Third party sales and other operating revenues27,834 270,115 — 807 — 298,756 
Earnings from joint ventures and associates – after interest and tax
951 589 2,283 (70)— 3,753 
Segment results
Replacement cost profit (loss) before interest and taxation
14,328 6,940 2,221 (3,521)211 20,179 
Inventory holding gains (losses)a
(6)(862)67 — — (801)
Profit (loss) before interest and taxation14,322 6,078 2,288 (3,521)211 19,378 
Finance costs(2,528)
Net finance expense relating to pensions and other post-retirement benefits
(127)
Profit before taxation16,723 
Other income statement items      
Depreciation, depletion and amortization
US4,211 900 — 59 — 5,170 
Non-US8,907 1,177 — 203 — 10,287 
Charges for provisions, net of write-back of unused provisions, including change in discount rate
355 834 — 1,557 — 2,746 
Segment assets
Investments in joint ventures and associates
12,785 2,772 10,074 689 — 26,320 
Additions to non-current assetsb c
24,266 3,609 — 477 — 28,352 
a    See explanation of inventory holding gains and losses on page 180.
b    Includes additions to property, plant and equipment; goodwill; intangible assets; investments in joint ventures; and investments in associates.
c Amounts have been restated to include acquisitions.
Disclosure of geographical areas
$ million
   2020
By geographical areaUSNon-USTotal
Revenues   
Third party sales and other operating revenuesa
55,611 124,755 180,366 
Other income statement items
Production and similar taxes57 638 695 
Non-current assets
Non-current assetsb c
52,493 108,786 161,279 
a    Non-US region includes UK $42,729 million
b    Non-US region includes UK $19,583 million
c    Includes property, plant and equipment; goodwill; intangible assets; investments in joint ventures; investments in associates; and non-current prepayments.
$ million
   2019
By geographical areaUSNon-USTotal
Revenues   
Third party sales and other operating revenuesa
89,334 189,063 278,397 
Other income statement items
Production and similar taxes315 1,232 1,547 
Non-current assets
Non-current assetsb c
57,757 133,398 191,155 
a    Non-US region includes UK $63,194 million.
b    Non-US region includes UK $22,881 million.
c    Includes property, plant and equipment; goodwill; intangible assets; investments in joint ventures; investments in associates; and non-current prepayments.
5. Segmental analysis – continued
$ million
   2018
By geographical areaUSNon-USTotal
Revenues   
Third party sales and other operating revenuesa
98,066 200,690 298,756 
Other income statement items
Production and similar taxes369 1,167 1,536 
Non-current assets
Non-current assetsb c
68,188 124,060 192,248 
a    Non-US region includes UK $65,630 million.
b    Non-US region includes UK $19,426 million.
c    Includes property, plant and equipment; goodwill; intangible assets; investments in joint ventures; investments in associates; and non-current prepayments.