Segment Information (Tables)

12 Months Ended

Dec. 31, 2021

Segment Reporting [Abstract]

Segment Information

Segment information for the year ended December 31, 2021, follows ($ in millions):

	Managed Care		Specialty Services		Eliminations		Consolidated Total
Total revenues from external customers	$	120,119	$	5,863	$	—	$	125,982
Total revenues from internal customers	6		12,789		(12,795)		—
Total revenues	$	120,125	$	18,652	$	(12,795)	$	125,982
Earnings from operations	$	1,789	$	(5)	$	—	$	1,784

Segment information for the year ended December 31, 2020, follows ($ in millions):

	Managed Care		Specialty Services		Eliminations		Consolidated Total
Total revenues from external customers	$	106,862	$	4,253	$	—	$	111,115
Total revenues from internal customers	5		10,741		(10,746)		—
Total revenues	$	106,867	$	14,994	$	(10,746)	$	111,115
Earnings from operations	$	3,031	$	51	$	—	$	3,082

Segment information for the year ended December 31, 2019, follows ($ in millions):

	Managed Care		Specialty Services		Eliminations		Consolidated Total
Total revenues from external customers	$	71,209	$	3,430	$	—	$	74,639
Total revenues from internal customers	4		9,348		(9,352)		—
Total revenues	$	71,213	$	12,778	$	(9,352)	$	74,639
Earnings from operations	$	1,806	$	(25)	$	—	$	1,781