Retirement Benefits - Fair Value of Plan Assets (Details) - USD ($)	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan Percent Of Employer And Related Party Securities Included In Plan Assets Maximum	1.00%
U.S. Plans | Pension Plan
Defined Benefit Plan Disclosure [Line Items]
Expected long-term rate of return on assets	6.37%
Defined Benefit Plan Fair Value Of Plan Assets Dividends And Interest Receivable	$ 236,000,000	$ 239,000,000
Defined Benefit Plan, Plan Assets, Amount	29,502,000,000	31,423,000,000	$ 32,922,000,000
U.S. Plans | Pension Plan | Level 1
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	6,417,000,000	6,155,000,000
U.S. Plans | Pension Plan | Level 2
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	17,181,000,000	19,145,000,000
U.S. Plans | Pension Plan | Level 3
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	29,000,000	21,000,000
U.S. Plans | Pension Plan | Fair Value Measured at Net Asset Value Per Share
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	5,875,000,000	6,102,000,000
U.S. Plans | Pension Plan | Equity
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	1,573,000,000	1,386,000,000
U.S. Plans | Pension Plan | Equity | Level 1
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	1,525,000,000	1,348,000,000
U.S. Plans | Pension Plan | Equity | Level 2
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	40,000,000	30,000,000
U.S. Plans | Pension Plan | Equity | Level 3
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	8,000,000	8,000,000
U.S. Plans | Pension Plan | Equity | Fair Value Measured at Net Asset Value Per Share
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	0	0
U.S. Plans | Pension Plan | U.S. companies
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	1,039,000,000	858,000,000
U.S. Plans | Pension Plan | U.S. companies | Level 1
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	1,035,000,000	855,000,000
U.S. Plans | Pension Plan | U.S. companies | Level 2
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	2,000,000	1,000,000
U.S. Plans | Pension Plan | U.S. companies | Level 3
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	2,000,000	2,000,000
U.S. Plans | Pension Plan | U.S. companies | Fair Value Measured at Net Asset Value Per Share
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	0	0
U.S. Plans | Pension Plan | International companies
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	534,000,000	528,000,000
U.S. Plans | Pension Plan | International companies | Level 1
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	490,000,000	493,000,000
U.S. Plans | Pension Plan | International companies | Level 2
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	38,000,000	29,000,000
U.S. Plans | Pension Plan | International companies | Level 3
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	6,000,000	6,000,000
U.S. Plans | Pension Plan | International companies | Fair Value Measured at Net Asset Value Per Share
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	0	0
U.S. Plans | Pension Plan | Fixed Income
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	24,263,000,000	26,363,000,000
U.S. Plans | Pension Plan | Fixed Income | Level 1
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	7,101,000,000	7,235,000,000
U.S. Plans | Pension Plan | Fixed Income | Level 2
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	17,141,000,000	19,115,000,000
U.S. Plans | Pension Plan | Fixed Income | Level 3
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	21,000,000	13,000,000
U.S. Plans | Pension Plan | Fixed Income | Fair Value Measured at Net Asset Value Per Share
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	0	0
U.S. Plans | Pension Plan | U.S. government
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	8,185,000,000	8,729,000,000
U.S. Plans | Pension Plan | U.S. government | Level 1
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	7,106,000,000	7,236,000,000
U.S. Plans | Pension Plan | U.S. government | Level 2
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	1,079,000,000	1,493,000,000
U.S. Plans | Pension Plan | U.S. government | Level 3
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	0	0
U.S. Plans | Pension Plan | U.S. government | Fair Value Measured at Net Asset Value Per Share
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	0	0
U.S. Plans | Pension Plan | Non-U.S. government
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	608,000,000	486,000,000
U.S. Plans | Pension Plan | Non-U.S. government | Level 1
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	1,000,000	2,000,000
U.S. Plans | Pension Plan | Non-U.S. government | Level 2
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	607,000,000	482,000,000
U.S. Plans | Pension Plan | Non-U.S. government | Level 3
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	0	2,000,000
U.S. Plans | Pension Plan | Non-U.S. government | Fair Value Measured at Net Asset Value Per Share
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	0	0
U.S. Plans | Pension Plan | Corporate bonds
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	15,100,000,000	16,481,000,000
U.S. Plans | Pension Plan | Corporate bonds | Level 1
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	0	0
U.S. Plans | Pension Plan | Corporate bonds | Level 2
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	15,079,000,000	16,470,000,000
U.S. Plans | Pension Plan | Corporate bonds | Level 3
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	21,000,000	11,000,000
U.S. Plans | Pension Plan | Corporate bonds | Fair Value Measured at Net Asset Value Per Share
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	0	0
U.S. Plans | Pension Plan | Mortgage/other asset-backed
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	433,000,000	444,000,000
U.S. Plans | Pension Plan | Mortgage/other asset-backed | Level 1
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	0	0
U.S. Plans | Pension Plan | Mortgage/other asset-backed | Level 2
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	433,000,000	444,000,000
U.S. Plans | Pension Plan | Mortgage/other asset-backed | Level 3
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	0	0
U.S. Plans | Pension Plan | Mortgage/other asset-backed | Fair Value Measured at Net Asset Value Per Share
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	0	0
U.S. Plans | Pension Plan | Commingled funds
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	0	65,000,000
U.S. Plans | Pension Plan | Commingled funds | Level 1
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	0	0
U.S. Plans | Pension Plan | Commingled funds | Level 2
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	0	65,000,000
U.S. Plans | Pension Plan | Commingled funds | Level 3
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	0	0
U.S. Plans | Pension Plan | Commingled funds | Fair Value Measured at Net Asset Value Per Share
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	0	0
U.S. Plans | Pension Plan | Fixed Income Funds Net Derivative Financial Instruments
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	(63,000,000)	158,000,000
U.S. Plans | Pension Plan | Fixed Income Funds Net Derivative Financial Instruments | Level 1
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	(6,000,000)	(3,000,000)
U.S. Plans | Pension Plan | Fixed Income Funds Net Derivative Financial Instruments | Level 2
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	(57,000,000)	161,000,000
U.S. Plans | Pension Plan | Fixed Income Funds Net Derivative Financial Instruments | Level 3
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	0	0
U.S. Plans | Pension Plan | Fixed Income Funds Net Derivative Financial Instruments | Fair Value Measured at Net Asset Value Per Share
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	0	0
U.S. Plans | Pension Plan | Alternatives
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	5,875,000,000	6,102,000,000
U.S. Plans | Pension Plan | Alternatives | Level 1
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	0	0
U.S. Plans | Pension Plan | Alternatives | Level 2
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	0	0
U.S. Plans | Pension Plan | Alternatives | Level 3
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	0	0
U.S. Plans | Pension Plan | Alternatives | Fair Value Measured at Net Asset Value Per Share
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	5,875,000,000	6,102,000,000
U.S. Plans | Pension Plan | Hedge funds
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	3,732,000,000	3,603,000,000
U.S. Plans | Pension Plan | Hedge funds | Level 1
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	0	0
U.S. Plans | Pension Plan | Hedge funds | Level 2
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	0	0
U.S. Plans | Pension Plan | Hedge funds | Level 3
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	0	0
U.S. Plans | Pension Plan | Hedge funds | Fair Value Measured at Net Asset Value Per Share
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	3,732,000,000	3,603,000,000
U.S. Plans | Pension Plan | Private equity
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	845,000,000	1,093,000,000
U.S. Plans | Pension Plan | Private equity | Level 1
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	0	0
U.S. Plans | Pension Plan | Private equity | Level 2
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	0	0
U.S. Plans | Pension Plan | Private equity | Level 3
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	0	0
U.S. Plans | Pension Plan | Private equity | Fair Value Measured at Net Asset Value Per Share
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	845,000,000	1,093,000,000
U.S. Plans | Pension Plan | Real estate
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	1,298,000,000	1,406,000,000
U.S. Plans | Pension Plan | Real estate | Level 1
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	0	0
U.S. Plans | Pension Plan | Real estate | Level 2
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	0	0
U.S. Plans | Pension Plan | Real estate | Level 3
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	0	0
U.S. Plans | Pension Plan | Real estate | Fair Value Measured at Net Asset Value Per Share
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	1,298,000,000	1,406,000,000
U.S. Plans | Pension Plan | Cash and cash equivalents
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	(1,656,000,000)	(1,779,000,000)
U.S. Plans | Pension Plan | Cash and cash equivalents | Level 1
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	(1,656,000,000)	(1,779,000,000)
U.S. Plans | Pension Plan | Cash and cash equivalents | Level 2
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	0	0
U.S. Plans | Pension Plan | Cash and cash equivalents | Level 3
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	0	0
U.S. Plans | Pension Plan | Cash and cash equivalents | Fair Value Measured at Net Asset Value Per Share
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	0	0
U.S. Plans | Pension Plan | Other
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	(553,000,000)	(649,000,000)
U.S. Plans | Pension Plan | Other | Level 1
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	(553,000,000)	(649,000,000)
U.S. Plans | Pension Plan | Other | Level 2
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	0	0
U.S. Plans | Pension Plan | Other | Level 3
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	0	0
U.S. Plans | Pension Plan | Other | Fair Value Measured at Net Asset Value Per Share
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	0	0
U.S. Plans | Pension Plan | Repurchase Agreements | Level 1
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Investment within Plan Asset Category, Amount	$ (2,600,000,000)	(2,700,000,000)
Non-U.S. Plans | Pension Plan
Defined Benefit Plan Disclosure [Line Items]
Expected long-term rate of return on assets	5.23%
Defined Benefit Plan Fair Value Of Plan Assets Dividends And Interest Receivable	$ 65,000,000	58,000,000
Defined Benefit Plan, Plan Assets, Amount	21,751,000,000	22,958,000,000	$ 21,344,000,000
Non-U.S. Plans | Pension Plan | Level 1
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	3,747,000,000	1,722,000,000
Non-U.S. Plans | Pension Plan | Level 2
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	12,920,000,000	15,334,000,000
Non-U.S. Plans | Pension Plan | Level 3
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	3,565,000,000	4,138,000,000
Non-U.S. Plans | Pension Plan | Fair Value Measured at Net Asset Value Per Share
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	1,519,000,000	1,764,000,000
Non-U.S. Plans | Pension Plan | Equity
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	2,872,000,000	3,318,000,000
Non-U.S. Plans | Pension Plan | Equity | Level 1
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	2,799,000,000	3,261,000,000
Non-U.S. Plans | Pension Plan | Equity | Level 2
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	72,000,000	57,000,000
Non-U.S. Plans | Pension Plan | Equity | Level 3
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	1,000,000	0
Non-U.S. Plans | Pension Plan | Equity | Fair Value Measured at Net Asset Value Per Share
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	0	0
Non-U.S. Plans | Pension Plan | U.S. companies
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	1,744,000,000	2,005,000,000
Non-U.S. Plans | Pension Plan | U.S. companies | Level 1
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	1,719,000,000	1,968,000,000
Non-U.S. Plans | Pension Plan | U.S. companies | Level 2
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	25,000,000	37,000,000
Non-U.S. Plans | Pension Plan | U.S. companies | Level 3
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	0	0
Non-U.S. Plans | Pension Plan | U.S. companies | Fair Value Measured at Net Asset Value Per Share
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	0	0
Non-U.S. Plans | Pension Plan | International companies
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	1,128,000,000	1,313,000,000
Non-U.S. Plans | Pension Plan | International companies | Level 1
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	1,080,000,000	1,293,000,000
Non-U.S. Plans | Pension Plan | International companies | Level 2
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	47,000,000	20,000,000
Non-U.S. Plans | Pension Plan | International companies | Level 3
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	1,000,000	0
Non-U.S. Plans | Pension Plan | International companies | Fair Value Measured at Net Asset Value Per Share
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	0	0
Non-U.S. Plans | Pension Plan | Fixed Income
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	14,367,000,000	15,635,000,000
Non-U.S. Plans | Pension Plan | Fixed Income | Level 1
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	1,393,000,000	61,000,000
Non-U.S. Plans | Pension Plan | Fixed Income | Level 2
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	12,848,000,000	15,277,000,000
Non-U.S. Plans | Pension Plan | Fixed Income | Level 3
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	126,000,000	297,000,000
Non-U.S. Plans | Pension Plan | Fixed Income | Fair Value Measured at Net Asset Value Per Share
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	0	0
Non-U.S. Plans | Pension Plan | U.S. government
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	30,000,000	66,000,000
Non-U.S. Plans | Pension Plan | U.S. government | Level 1
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	4,000,000	38,000,000
Non-U.S. Plans | Pension Plan | U.S. government | Level 2
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	26,000,000	28,000,000
Non-U.S. Plans | Pension Plan | U.S. government | Level 3
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	0	0
Non-U.S. Plans | Pension Plan | U.S. government | Fair Value Measured at Net Asset Value Per Share
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	0	0
Non-U.S. Plans | Pension Plan | Non-U.S. government
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	12,064,000,000	13,027,000,000
Non-U.S. Plans | Pension Plan | Non-U.S. government | Level 1
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	1,360,000,000	0
Non-U.S. Plans | Pension Plan | Non-U.S. government | Level 2
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	10,698,000,000	12,843,000,000
Non-U.S. Plans | Pension Plan | Non-U.S. government | Level 3
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	6,000,000	184,000,000
Non-U.S. Plans | Pension Plan | Non-U.S. government | Fair Value Measured at Net Asset Value Per Share
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	0	0
Non-U.S. Plans | Pension Plan | Corporate bonds
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	1,723,000,000	1,956,000,000
Non-U.S. Plans | Pension Plan | Corporate bonds | Level 1
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	0	0
Non-U.S. Plans | Pension Plan | Corporate bonds | Level 2
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	1,667,000,000	1,890,000,000
Non-U.S. Plans | Pension Plan | Corporate bonds | Level 3
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	56,000,000	66,000,000
Non-U.S. Plans | Pension Plan | Corporate bonds | Fair Value Measured at Net Asset Value Per Share
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	0	0
Non-U.S. Plans | Pension Plan | Mortgage/other asset-backed
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	304,000,000	300,000,000
Non-U.S. Plans | Pension Plan | Mortgage/other asset-backed | Level 1
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	0	0
Non-U.S. Plans | Pension Plan | Mortgage/other asset-backed | Level 2
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	291,000,000	289,000,000
Non-U.S. Plans | Pension Plan | Mortgage/other asset-backed | Level 3
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	13,000,000	11,000,000
Non-U.S. Plans | Pension Plan | Mortgage/other asset-backed | Fair Value Measured at Net Asset Value Per Share
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	0	0
Non-U.S. Plans | Pension Plan | Commingled funds
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	216,000,000	214,000,000
Non-U.S. Plans | Pension Plan | Commingled funds | Level 1
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	30,000,000	23,000,000
Non-U.S. Plans | Pension Plan | Commingled funds | Level 2
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	186,000,000	191,000,000
Non-U.S. Plans | Pension Plan | Commingled funds | Level 3
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	0	0
Non-U.S. Plans | Pension Plan | Commingled funds | Fair Value Measured at Net Asset Value Per Share
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	0	0
Non-U.S. Plans | Pension Plan | Fixed Income Funds Net Derivative Financial Instruments
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	30,000,000	72,000,000
Non-U.S. Plans | Pension Plan | Fixed Income Funds Net Derivative Financial Instruments | Level 1
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	(1,000,000)	0
Non-U.S. Plans | Pension Plan | Fixed Income Funds Net Derivative Financial Instruments | Level 2
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	(20,000,000)	36,000,000
Non-U.S. Plans | Pension Plan | Fixed Income Funds Net Derivative Financial Instruments | Level 3
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	51,000,000	36,000,000
Non-U.S. Plans | Pension Plan | Fixed Income Funds Net Derivative Financial Instruments | Fair Value Measured at Net Asset Value Per Share
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	0	0
Non-U.S. Plans | Pension Plan | Alternatives
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	1,519,000,000	1,764,000,000
Non-U.S. Plans | Pension Plan | Alternatives | Level 1
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	0	0
Non-U.S. Plans | Pension Plan | Alternatives | Level 2
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	0	0
Non-U.S. Plans | Pension Plan | Alternatives | Level 3
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	0	0
Non-U.S. Plans | Pension Plan | Alternatives | Fair Value Measured at Net Asset Value Per Share
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	1,519,000,000	1,764,000,000
Non-U.S. Plans | Pension Plan | Hedge funds
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	779,000,000	906,000,000
Non-U.S. Plans | Pension Plan | Hedge funds | Level 1
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	0	0
Non-U.S. Plans | Pension Plan | Hedge funds | Level 2
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	0	0
Non-U.S. Plans | Pension Plan | Hedge funds | Level 3
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	0	0
Non-U.S. Plans | Pension Plan | Hedge funds | Fair Value Measured at Net Asset Value Per Share
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	779,000,000	906,000,000
Non-U.S. Plans | Pension Plan | Private equity
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	370,000,000	477,000,000
Non-U.S. Plans | Pension Plan | Private equity | Level 1
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	0	0
Non-U.S. Plans | Pension Plan | Private equity | Level 2
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	0	0
Non-U.S. Plans | Pension Plan | Private equity | Level 3
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	0	0
Non-U.S. Plans | Pension Plan | Private equity | Fair Value Measured at Net Asset Value Per Share
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	370,000,000	477,000,000
Non-U.S. Plans | Pension Plan | Real estate
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	370,000,000	381,000,000
Non-U.S. Plans | Pension Plan | Real estate | Level 1
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	0	0
Non-U.S. Plans | Pension Plan | Real estate | Level 2
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	0	0
Non-U.S. Plans | Pension Plan | Real estate | Level 3
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	0	0
Non-U.S. Plans | Pension Plan | Real estate | Fair Value Measured at Net Asset Value Per Share
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	370,000,000	381,000,000
Non-U.S. Plans | Pension Plan | Cash and cash equivalents
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	(197,000,000)	(1,364,000,000)
Non-U.S. Plans | Pension Plan | Cash and cash equivalents | Level 1
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	(197,000,000)	(1,364,000,000)
Non-U.S. Plans | Pension Plan | Cash and cash equivalents | Level 2
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	0	0
Non-U.S. Plans | Pension Plan | Cash and cash equivalents | Level 3
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	0	0
Non-U.S. Plans | Pension Plan | Cash and cash equivalents | Fair Value Measured at Net Asset Value Per Share
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	0	0
Non-U.S. Plans | Pension Plan | Other
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	3,190,000,000	3,605,000,000
Non-U.S. Plans | Pension Plan | Other | Level 1
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	(248,000,000)	(236,000,000)
Non-U.S. Plans | Pension Plan | Other | Level 2
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	0	0
Non-U.S. Plans | Pension Plan | Other | Level 3
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	3,438,000,000	3,841,000,000
Non-U.S. Plans | Pension Plan | Other | Fair Value Measured at Net Asset Value Per Share
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	0	0
Non-U.S. Plans | Pension Plan | Repurchase Agreements | Level 1
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Investment within Plan Asset Category, Amount	(700,000,000)	(1,800,000,000)
Non-U.S. Plans | Pension Plan | Ford Werke GmbH | Other Pension Benefit Plan Asset Insurance Contracts [Member] | Level 3
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount		$ 3,000,000,000.0
Non-U.S. Plans | Pension Plan | Ford Werke GmbH and Other | Other Pension Benefit Plan Asset Insurance Contracts [Member] | Level 3
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	$ 2,700,000,000
Canada | Pension Plan
Defined Benefit Plan Disclosure [Line Items]
Expected long-term rate of return on assets	5.00%
United Kingdom | Pension Plan
Defined Benefit Plan Disclosure [Line Items]
Expected long-term rate of return on assets	5.29%