Employee Benefit Plans - Plan Assets (Details) - USD ($)

Dec. 31, 2024

Dec. 31, 2023

Dec. 31, 2022

Level 3

Fair Value Measurements of Company's Pension Plans

Fair value of plan assets

$ 152,000,000

$ 138,000,000

$ 177,000,000

U.S.

Fair Value Measurements of Company's Pension Plans

Fair value of plan assets

9,537,000,000

9,137,000,000

U.S. | Level 1

Fair Value Measurements of Company's Pension Plans

Fair value of plan assets

3,077,000,000

2,831,000,000

U.S. | Level 2

Fair Value Measurements of Company's Pension Plans

Fair value of plan assets

1,198,000,000

1,067,000,000

U.S. | Level 3

Fair Value Measurements of Company's Pension Plans

Fair value of plan assets

74,000,000

57,000,000

U.S. | NAV

Fair Value Measurements of Company's Pension Plans

Fair value of plan assets

5,188,000,000

5,182,000,000

Int’l.

Fair Value Measurements of Company's Pension Plans

Fair value of plan assets

3,060,000,000

3,398,000,000

Int’l. | Level 1

Fair Value Measurements of Company's Pension Plans

Fair value of plan assets

476,000,000

505,000,000

Int’l. | Level 2

Fair Value Measurements of Company's Pension Plans

Fair value of plan assets

609,000,000

625,000,000

Int’l. | Level 3

Fair Value Measurements of Company's Pension Plans

Fair value of plan assets

78,000,000

81,000,000

Int’l. | NAV

Fair Value Measurements of Company's Pension Plans

Fair value of plan assets

1,897,000,000

2,187,000,000

U.S. | Level 3

Fair Value Measurements of Company's Pension Plans

Fair value of plan assets

1,000,000

U.S. | U.S.

Fair Value Measurements of Company's Pension Plans

Fair value of plan assets

1,866,000,000

1,691,000,000

U.S. | U.S. | Company's Own Stock

Fair Value Measurements of Company's Pension Plans

Fair value of plan assets

U.S. | U.S. | Level 1

Fair Value Measurements of Company's Pension Plans

Fair value of plan assets

1,866,000,000

1,689,000,000

U.S. | U.S. | Level 2

Fair Value Measurements of Company's Pension Plans

Fair value of plan assets

1,000,000

U.S. | U.S. | Level 3

Fair Value Measurements of Company's Pension Plans

Fair value of plan assets

1,000,000

U.S. | U.S. | NAV

Fair Value Measurements of Company's Pension Plans

Fair value of plan assets

U.S. | Int’l.

Fair Value Measurements of Company's Pension Plans

Fair value of plan assets

180,000,000

188,000,000

U.S. | Int’l. | Level 1

Fair Value Measurements of Company's Pension Plans

Fair value of plan assets

180,000,000

188,000,000

U.S. | Int’l. | Level 2

Fair Value Measurements of Company's Pension Plans

Fair value of plan assets

U.S. | Int’l. | Level 3

Fair Value Measurements of Company's Pension Plans

Fair value of plan assets

U.S. | Int’l. | NAV

Fair Value Measurements of Company's Pension Plans

Fair value of plan assets

International | Level 3

Fair Value Measurements of Company's Pension Plans

Fair value of plan assets

21,000,000

International | U.S.

Fair Value Measurements of Company's Pension Plans

Fair value of plan assets

1,208,000,000

1,128,000,000

International | U.S. | Level 1

Fair Value Measurements of Company's Pension Plans

Fair value of plan assets

1,197,000,000

1,128,000,000

International | U.S. | Level 2

Fair Value Measurements of Company's Pension Plans

Fair value of plan assets

International | U.S. | Level 3

Fair Value Measurements of Company's Pension Plans

Fair value of plan assets

11,000,000

International | U.S. | NAV

Fair Value Measurements of Company's Pension Plans

Fair value of plan assets

International | Int’l.

Fair Value Measurements of Company's Pension Plans

Fair value of plan assets

107,000,000

124,000,000

International | Int’l. | Level 1

Fair Value Measurements of Company's Pension Plans

Fair value of plan assets

97,000,000

124,000,000

International | Int’l. | Level 2

Fair Value Measurements of Company's Pension Plans

Fair value of plan assets

International | Int’l. | Level 3

Fair Value Measurements of Company's Pension Plans

Fair value of plan assets

10,000,000

International | Int’l. | NAV

Fair Value Measurements of Company's Pension Plans

Fair value of plan assets

Collective Trusts/Mutual Funds | U.S.

Fair Value Measurements of Company's Pension Plans

Fair value of plan assets

1,191,000,000

1,269,000,000

Collective Trusts/Mutual Funds | U.S. | Level 1

Fair Value Measurements of Company's Pension Plans

Fair value of plan assets

4,000,000

Collective Trusts/Mutual Funds | U.S. | Level 2

Fair Value Measurements of Company's Pension Plans

Fair value of plan assets

Collective Trusts/Mutual Funds | U.S. | Level 3

Fair Value Measurements of Company's Pension Plans

Fair value of plan assets

Collective Trusts/Mutual Funds | U.S. | NAV

Fair Value Measurements of Company's Pension Plans

Fair value of plan assets

1,187,000,000

1,265,000,000

Collective Trusts/Mutual Funds | Int’l.

Fair Value Measurements of Company's Pension Plans

Fair value of plan assets

98,000,000

95,000,000

Collective Trusts/Mutual Funds | Int’l. | Level 1

Fair Value Measurements of Company's Pension Plans

Fair value of plan assets

6,000,000

Collective Trusts/Mutual Funds | Int’l. | Level 2

Fair Value Measurements of Company's Pension Plans

Fair value of plan assets

13,000,000

Collective Trusts/Mutual Funds | Int’l. | Level 3

Fair Value Measurements of Company's Pension Plans

Fair value of plan assets

Collective Trusts/Mutual Funds | Int’l. | NAV

Fair Value Measurements of Company's Pension Plans

Fair value of plan assets

79,000,000

89,000,000

Government | U.S.

Fair Value Measurements of Company's Pension Plans

Fair value of plan assets

132,000,000

82,000,000

Government | U.S. | Level 1

Fair Value Measurements of Company's Pension Plans

Fair value of plan assets

Government | U.S. | Level 2

Fair Value Measurements of Company's Pension Plans

Fair value of plan assets

132,000,000

82,000,000

Government | U.S. | Level 3

Fair Value Measurements of Company's Pension Plans

Fair value of plan assets

Government | U.S. | NAV

Fair Value Measurements of Company's Pension Plans

Fair value of plan assets

Government | Int’l.

Fair Value Measurements of Company's Pension Plans

Fair value of plan assets

167,000,000

172,000,000

Government | Int’l. | Level 1

Fair Value Measurements of Company's Pension Plans

Fair value of plan assets

99,000,000

101,000,000

Government | Int’l. | Level 2

Fair Value Measurements of Company's Pension Plans

Fair value of plan assets

68,000,000

71,000,000

Government | Int’l. | Level 3

Fair Value Measurements of Company's Pension Plans

Fair value of plan assets

Government | Int’l. | NAV

Fair Value Measurements of Company's Pension Plans

Fair value of plan assets

Corporate | U.S.

Fair Value Measurements of Company's Pension Plans

Fair value of plan assets

1,042,000,000

964,000,000

Corporate | U.S. | Level 1

Fair Value Measurements of Company's Pension Plans

Fair value of plan assets

Corporate | U.S. | Level 2

Fair Value Measurements of Company's Pension Plans

Fair value of plan assets

1,042,000,000

964,000,000

Corporate | U.S. | Level 3

Fair Value Measurements of Company's Pension Plans

Fair value of plan assets

Corporate | U.S. | NAV

Fair Value Measurements of Company's Pension Plans

Fair value of plan assets

Corporate | Int’l.

Fair Value Measurements of Company's Pension Plans

Fair value of plan assets

403,000,000

431,000,000

Corporate | Int’l. | Level 1

Fair Value Measurements of Company's Pension Plans

Fair value of plan assets

2,000,000

4,000,000

Corporate | Int’l. | Level 2

Fair Value Measurements of Company's Pension Plans

Fair value of plan assets

401,000,000

427,000,000

Corporate | Int’l. | Level 3

Fair Value Measurements of Company's Pension Plans

Fair value of plan assets

Corporate | Int’l. | NAV

Fair Value Measurements of Company's Pension Plans

Fair value of plan assets

Bank Loans | U.S.

Fair Value Measurements of Company's Pension Plans

Fair value of plan assets

10,000,000

5,000,000

Bank Loans | U.S. | Level 1

Fair Value Measurements of Company's Pension Plans

Fair value of plan assets

Bank Loans | U.S. | Level 2

Fair Value Measurements of Company's Pension Plans

Fair value of plan assets

10,000,000

5,000,000

Bank Loans | U.S. | Level 3

Fair Value Measurements of Company's Pension Plans

Fair value of plan assets

Bank Loans | U.S. | NAV

Fair Value Measurements of Company's Pension Plans

Fair value of plan assets

Bank Loans | Int’l.

Fair Value Measurements of Company's Pension Plans

Fair value of plan assets

Bank Loans | Int’l. | Level 1

Fair Value Measurements of Company's Pension Plans

Fair value of plan assets

Bank Loans | Int’l. | Level 2

Fair Value Measurements of Company's Pension Plans

Fair value of plan assets

Bank Loans | Int’l. | Level 3

Fair Value Measurements of Company's Pension Plans

Fair value of plan assets

Bank Loans | Int’l. | NAV

Fair Value Measurements of Company's Pension Plans

Fair value of plan assets

Mortgage/Asset Backed | U.S.

Fair Value Measurements of Company's Pension Plans

Fair value of plan assets

1,000,000

Mortgage/Asset Backed | U.S. | Level 1

Fair Value Measurements of Company's Pension Plans

Fair value of plan assets

Mortgage/Asset Backed | U.S. | Level 2

Fair Value Measurements of Company's Pension Plans

Fair value of plan assets

1,000,000

Mortgage/Asset Backed | U.S. | Level 3

Fair Value Measurements of Company's Pension Plans

Fair value of plan assets

Mortgage/Asset Backed | U.S. | NAV

Fair Value Measurements of Company's Pension Plans

Fair value of plan assets

Mortgage/Asset Backed | Int’l.

Fair Value Measurements of Company's Pension Plans

Fair value of plan assets

4,000,000

5,000,000

Mortgage/Asset Backed | Int’l. | Level 1

Fair Value Measurements of Company's Pension Plans

Fair value of plan assets

Mortgage/Asset Backed | Int’l. | Level 2

Fair Value Measurements of Company's Pension Plans

Fair value of plan assets

4,000,000

5,000,000

Mortgage/Asset Backed | Int’l. | Level 3

Fair Value Measurements of Company's Pension Plans

Fair value of plan assets

Mortgage/Asset Backed | Int’l. | NAV

Fair Value Measurements of Company's Pension Plans

Fair value of plan assets

Collective Trusts/Mutual Funds | U.S.

Fair Value Measurements of Company's Pension Plans

Fair value of plan assets

2,342,000,000

2,293,000,000

Collective Trusts/Mutual Funds | U.S. | Level 1

Fair Value Measurements of Company's Pension Plans

Fair value of plan assets

Collective Trusts/Mutual Funds | U.S. | Level 2

Fair Value Measurements of Company's Pension Plans

Fair value of plan assets

Collective Trusts/Mutual Funds | U.S. | Level 3

Fair Value Measurements of Company's Pension Plans

Fair value of plan assets

Collective Trusts/Mutual Funds | U.S. | NAV

Fair Value Measurements of Company's Pension Plans

Fair value of plan assets

2,342,000,000

2,293,000,000

Collective Trusts/Mutual Funds | Int’l.

Fair Value Measurements of Company's Pension Plans

Fair value of plan assets

1,594,000,000

1,819,000,000

Collective Trusts/Mutual Funds | Int’l. | Level 1

Fair Value Measurements of Company's Pension Plans

Fair value of plan assets

2,000,000

Collective Trusts/Mutual Funds | Int’l. | Level 2

Fair Value Measurements of Company's Pension Plans

Fair value of plan assets

10,000,000

Collective Trusts/Mutual Funds | Int’l. | Level 3

Fair Value Measurements of Company's Pension Plans

Fair value of plan assets

Collective Trusts/Mutual Funds | Int’l. | NAV

Fair Value Measurements of Company's Pension Plans

Fair value of plan assets

1,582,000,000

1,819,000,000

Mixed Funds | U.S.

Fair Value Measurements of Company's Pension Plans

Fair value of plan assets

Mixed Funds | U.S. | Level 1

Fair Value Measurements of Company's Pension Plans

Fair value of plan assets

Mixed Funds | U.S. | Level 2

Fair Value Measurements of Company's Pension Plans

Fair value of plan assets

Mixed Funds | U.S. | Level 3

Fair Value Measurements of Company's Pension Plans

Fair value of plan assets

Mixed Funds | U.S. | NAV

Fair Value Measurements of Company's Pension Plans

Fair value of plan assets

Mixed Funds | Int’l.

Fair Value Measurements of Company's Pension Plans

Fair value of plan assets

76,000,000

85,000,000

Mixed Funds | Int’l. | Level 1

Fair Value Measurements of Company's Pension Plans

Fair value of plan assets

8,000,000

Mixed Funds | Int’l. | Level 2

Fair Value Measurements of Company's Pension Plans

Fair value of plan assets

76,000,000

77,000,000

Mixed Funds | Int’l. | Level 3

Fair Value Measurements of Company's Pension Plans

Fair value of plan assets

Mixed Funds | Int’l. | NAV

Fair Value Measurements of Company's Pension Plans

Fair value of plan assets

Real Estate | Level 3

Fair Value Measurements of Company's Pension Plans

Fair value of plan assets

38,000,000

Real Estate | U.S.

Fair Value Measurements of Company's Pension Plans

Fair value of plan assets

1,383,000,000

1,087,000,000

Real Estate | U.S. | Level 1

Fair Value Measurements of Company's Pension Plans

Fair value of plan assets

Real Estate | U.S. | Level 2

Fair Value Measurements of Company's Pension Plans

Fair value of plan assets

Real Estate | U.S. | Level 3

Fair Value Measurements of Company's Pension Plans

Fair value of plan assets

Real Estate | U.S. | NAV

Fair Value Measurements of Company's Pension Plans

Fair value of plan assets

1,383,000,000

1,087,000,000

Real Estate | Int’l.

Fair Value Measurements of Company's Pension Plans

Fair value of plan assets

105,000,000

147,000,000

Real Estate | Int’l. | Level 1

Fair Value Measurements of Company's Pension Plans

Fair value of plan assets

Real Estate | Int’l. | Level 2

Fair Value Measurements of Company's Pension Plans

Fair value of plan assets

16,000,000

24,000,000

Real Estate | Int’l. | Level 3

Fair Value Measurements of Company's Pension Plans

Fair value of plan assets

Real Estate | Int’l. | NAV

Fair Value Measurements of Company's Pension Plans

Fair value of plan assets

89,000,000

123,000,000

Alternative Investments | U.S.

Fair Value Measurements of Company's Pension Plans

Fair value of plan assets

Alternative Investments | U.S. | Level 1

Fair Value Measurements of Company's Pension Plans

Fair value of plan assets

Alternative Investments | U.S. | Level 2

Fair Value Measurements of Company's Pension Plans

Fair value of plan assets

Alternative Investments | U.S. | Level 3

Fair Value Measurements of Company's Pension Plans

Fair value of plan assets

Alternative Investments | U.S. | NAV

Fair Value Measurements of Company's Pension Plans

Fair value of plan assets

Alternative Investments | Int’l.

Fair Value Measurements of Company's Pension Plans

Fair value of plan assets

9,000,000

Alternative Investments | Int’l. | Level 1

Fair Value Measurements of Company's Pension Plans

Fair value of plan assets

Alternative Investments | Int’l. | Level 2

Fair Value Measurements of Company's Pension Plans

Fair value of plan assets

9,000,000

Alternative Investments | Int’l. | Level 3

Fair Value Measurements of Company's Pension Plans

Fair value of plan assets

Alternative Investments | Int’l. | NAV

Fair Value Measurements of Company's Pension Plans

Fair value of plan assets

Cash and Cash Equivalents | U.S.

Fair Value Measurements of Company's Pension Plans

Fair value of plan assets

289,000,000

548,000,000

Cash and Cash Equivalents | U.S. | Level 1

Fair Value Measurements of Company's Pension Plans

Fair value of plan assets

13,000,000

12,000,000

Cash and Cash Equivalents | U.S. | Level 2

Fair Value Measurements of Company's Pension Plans

Fair value of plan assets

Cash and Cash Equivalents | U.S. | Level 3

Fair Value Measurements of Company's Pension Plans

Fair value of plan assets

Cash and Cash Equivalents | U.S. | NAV

Fair Value Measurements of Company's Pension Plans

Fair value of plan assets

276,000,000

536,000,000

Cash and Cash Equivalents | Int’l.

Fair Value Measurements of Company's Pension Plans

Fair value of plan assets

108,000,000

81,000,000

Cash and Cash Equivalents | Int’l. | Level 1

Fair Value Measurements of Company's Pension Plans

Fair value of plan assets

90,000,000

74,000,000

Cash and Cash Equivalents | Int’l. | Level 2

Fair Value Measurements of Company's Pension Plans

Fair value of plan assets

1,000,000

Cash and Cash Equivalents | Int’l. | Level 3

Fair Value Measurements of Company's Pension Plans

Fair value of plan assets

Cash and Cash Equivalents | Int’l. | NAV

Fair Value Measurements of Company's Pension Plans

Fair value of plan assets

18,000,000

6,000,000

Other | Level 3

Fair Value Measurements of Company's Pension Plans

Fair value of plan assets

131,000,000

137,000,000

$ 139,000,000

Other | U.S.

Fair Value Measurements of Company's Pension Plans

Fair value of plan assets

73,000,000

69,000,000

Other | U.S. | Level 1

Fair Value Measurements of Company's Pension Plans

Fair value of plan assets

(3,000,000)

(2,000,000)

Other | U.S. | Level 2

Fair Value Measurements of Company's Pension Plans

Fair value of plan assets

13,000,000

14,000,000

Other | U.S. | Level 3

Fair Value Measurements of Company's Pension Plans

Fair value of plan assets

63,000,000

56,000,000

Other | U.S. | NAV

Fair Value Measurements of Company's Pension Plans

Fair value of plan assets

1,000,000

Other | Int’l.

Fair Value Measurements of Company's Pension Plans

Fair value of plan assets

209,000,000

242,000,000

Other | Int’l. | Level 1

Fair Value Measurements of Company's Pension Plans

Fair value of plan assets

Other | Int’l. | Level 2

Fair Value Measurements of Company's Pension Plans

Fair value of plan assets

12,000,000

11,000,000

Other | Int’l. | Level 3

Fair Value Measurements of Company's Pension Plans

Fair value of plan assets

68,000,000

81,000,000

Other | Int’l. | NAV

Fair Value Measurements of Company's Pension Plans

Fair value of plan assets

$ 129,000,000

$ 150,000,000