Revenue (Tables)

3 Months Ended

Mar. 31, 2021

Revenue from Contract with Customer [Abstract]

Schedule of reconciliation of revenue from customers to total net sales

The following table shows a reconciliation of revenue from customers to total net sales for the three months ended March 31, 2021 and 2020:

	Three months ended March 31,
millions	2021		2020
Revenue from customers	$	5,184	$	5,250
All other revenues (a)	109		1,363
Net sales	$	5,293	$	6,613

(a) Includes net marketing derivatives, natural gas collars, oil collars and calls and chemical exchange contracts.

Schedule of revenue from customers by segment, product, and geographical area

Excluding net marketing revenue, midstream and marketing segment revenues are shown by the location of sale.

millions	United States		International		Eliminations		Total
Three months ended March 31, 2021
Oil and gas
Oil	$	2,464	$	549	$	—	$	3,013
NGL	384		52		—		436
Gas	253		64		—		317
Other	(31)		—		—		(31)
Segment total	$	3,070	$	665	$	—	$	3,735
Chemical	$	1,037	$	50	$	—	$	1,087
Midstream and marketing
Gas processing	$	101	$	84	$	—	$	185
Marketing	438		47		—		485
Power and other	(42)		—		—		(42)
Segment total	$	497	$	131	$	—	$	628
Eliminations	$	—	$	—	$	(266)	$	(266)
Consolidated	$	4,604	$	846	$	(266)	$	5,184

millions	United States		International		Eliminations		Total
Three months ended March 31, 2020
Oil and gas
Oil	$	2,755	$	789	$	—	$	3,544
NGL	213		65		—		278
Gas	183		85		—		268
Other	11		—		—		11
Segment total	$	3,162	$	939	$	—	$	4,101
Chemical	$	910	$	51	$	—	$	961
Midstream and marketing
Gas processing	$	105	$	71	$	—	$	176
Marketing	246		(51)		—		195
Power and other	16		—		—		16
Segment total	$	367	$	20	$	—	$	387
Eliminations	$	—	$	—	$	(199)	$	(199)
Consolidated	$	4,439	$	1,010	$	(199)	$	5,250