Quarter

Nine Months

2022

2021

2022

2021

Revenues:

National Group

$

7,635

$

7,787

$

22,490

$

22,143

American Group

6,599

6,767

19,872

19,562

Corporate and other

737

722

2,374

1,983

$

14,971

$

15,276

$

44,736

$

43,688

Losses (equity) in earnings of affiliates:

National Group

$

(1

)

$

(14

)

$

(3

)

$

(30

)

American Group

(13

)

(14

)

(31

)

(38

)

Corporate and other

4

(7

)

5

(10

)

$

(10

)

$

(35

)

$

(29

)

$

(78

)

Adjusted segment EBITDA:

National Group

$

1,550

$

1,780

$

4,656

$

5,330

American Group

1,389

1,604

4,417

4,698

Corporate and other

(37

)

(160

)

(185

)

(533

)

$

2,902

$

3,224

$

8,888

$

9,495

Depreciation and amortization:

National Group

$

369

$

343

$

1,088

$

1,005

American Group

309

295

914

884

Corporate and other

71

78

217

236

$

749

$

716

$

2,219

$

2,125

Adjusted segment EBITDA

$

2,902

$

3,224

$

8,888

$

9,495

Depreciation and amortization

749

716

2,219

2,125

Interest expense

446

398

1,288

1,168

Losses (gains) on sales of facilities

3

(1,047

)

25

(1,057

)

Losses on retirement of debt

—

—

78

12

Income before income taxes

$

1,704

$

3,157

$

5,278

$

7,247