The following table presents a summary of our operating segments and other expense for the three and six months ended June 30, 2021 and June 30, 2020:


(In thousands)	Domestic		International		Other		Total

Three Months Ended 2021
Revenues	$	1,267,027	$	189,728	$	—	$	1,456,755

Costs of revenue	232,225		29,100		—		261,325
Operating expenses	656,369		74,708		414,793		1,145,870
Total costs and expenses	888,594		103,808		414,793		1,407,195

Operating earnings (loss)	$	378,433	$	85,920	$	(414,793)	$	49,560


(In thousands)	Domestic		International		Other		Total

Three Months Ended 2020
Revenues	$	1,168,213	$	162,136	$	—	$	1,330,349

Costs of revenue	189,779		22,184		—		211,963
Operating expenses	587,674		57,413		326,401		971,488
Total costs and expenses	777,453		79,597		326,401		1,183,451

Operating earnings (loss)	$	390,760	$	82,539	$	(326,401)	$	146,898


(In thousands)	Domestic		International		Other		Total

Six Months Ended 2021
Revenues	$	2,489,019	$	355,514	$	—	$	2,844,533

Costs of revenue	437,919		54,062		—		491,981
Operating expenses	1,216,931		136,322		731,681		2,084,934
Total costs and expenses	1,654,850		190,384		731,681		2,576,915

Operating earnings (loss)	$	834,169	$	165,130	$	(731,681)	$	267,618


(In thousands)	Domestic		International		Other		Total

Six Months Ended 2020
Revenues	$	2,414,628	$	327,462	$	—	$	2,742,090

Costs of revenue	418,346		48,033		—		466,379
Operating expenses	1,157,768		123,968		668,701		1,950,437
Total costs and expenses	1,576,114		172,001		668,701		2,416,816

Operating earnings (loss)	$	838,514	$	155,461	$	(668,701)	$	325,274