Quarter

Nine Months

2023

2022

2023

2022

Revenues:

National Group

$

4,352

$

4,092

$

13,340

$

12,382

Atlantic Group

5,470

4,951

15,617

14,337

American Group

5,491

5,117

16,226

15,528

Corporate and other

900

811

2,482

2,489

$

16,213

$

14,971

$

47,665

$

44,736

Equity in (earnings) losses of affiliates:

National Group

$

—

$

—

$

(2

)

$

(1

)

Atlantic Group

—

(1

)

(2

)

(2

)

American Group

(13

)

(13

)

(35

)

(31

)

Corporate and other

(6

)

4

45

5

$

(19

)

$

(10

)

$

6

$

(29

)

Adjusted segment EBITDA:

National Group

$

799

$

780

$

2,826

$

2,602

Atlantic Group

1,158

1,014

3,219

2,833

American Group

1,210

1,178

3,662

3,832

Corporate and other

(287

)

(70

)

(599

)

(379

)

$

2,880

$

2,902

$

9,108

$

8,888

Depreciation and amortization:

National Group

$

206

$

207

$

621

$

598

Atlantic Group

249

231

735

686

American Group

244

236

719

701

Corporate and other

70

75

213

234

$

769

$

749

$

2,288

$

2,219

Adjusted segment EBITDA

$

2,880

$

2,902

$

9,108

$

8,888

Depreciation and amortization

769

749

2,288

2,219

Interest expense

483

446

1,447

1,288

Losses (gains) on sales of facilities

(2

)

3

12

25

Losses on retirement of debt

—

—

—

78

Income before income taxes

$

1,630

$

1,704

$

5,361

$

5,278