Sales and other operating revenues (Tables)

12 Months Ended

Dec. 31, 2020

Revenue [abstract]

Summary of revenue from contracts with customers, by product

			$ million
	2020	2019	2018
Crude oil	5,048	9,141	10,331
Oil products	63,564	102,408	108,515
Natural gas, LNG and NGLs	12,726	18,909	20,494
Non-oil products and other revenues from contracts with customers	9,840	12,169	12,489
Revenue from contracts with customers	91,178	142,627	151,829
Other operating revenuesa	89,188	135,770	146,927
Total sales and other operating revenues	180,366	278,397	298,756