Retirement-Related Benefits - Net Periodic Cost (Details) - USD ($)
$ in Millions |
12 Months Ended |
Dec. 31, 2022 |
Dec. 31, 2021 |
Dec. 31, 2020 |
| Pension Plans |
|
|
|
| Components of net periodic (income)/cost of the retirement-related benefit plans |
|
|
|
| Total net periodic pension / nonpension (income)/cost of defined benefit plans |
$ 6,693
|
$ 1,438
|
$ 1,235
|
| Nonpension Postretirement Plans |
|
|
|
| Components of net periodic (income)/cost of the retirement-related benefit plans |
|
|
|
| Total net periodic pension / nonpension (income)/cost of defined benefit plans |
115
|
172
|
202
|
| U.S. | Pension Plans |
|
|
|
| Components of net periodic (income)/cost of the retirement-related benefit plans |
|
|
|
| Interest cost |
$ 1,129
|
$ 1,109
|
$ 1,501
|
| Interest cost - income statement location |
Other (income) and expense (Note A)
|
Other (income) and expense (Note A)
|
Other (income) and expense (Note A)
|
| Expected return on plan assets |
$ (1,729)
|
$ (1,802)
|
$ (2,169)
|
| Expected return on plan assets - income statement location |
Other (income) and expense (Note A)
|
Other (income) and expense (Note A)
|
Other (income) and expense (Note A)
|
| Amortization of transition assets - income statement location |
Other (income) and expense (Note A)
|
Other (income) and expense (Note A)
|
Other (income) and expense (Note A)
|
| Amortization of prior service costs/(credits) |
$ 8
|
$ 16
|
$ 16
|
| Amortization of prior service costs/(credits) - income statement location |
Other (income) and expense (Note A)
|
Other (income) and expense (Note A)
|
Other (income) and expense (Note A)
|
| Recognized actuarial losses |
$ 527
|
$ 996
|
$ 829
|
| Recognized actuarial losses - income statement location |
Other (income) and expense (Note A)
|
Other (income) and expense (Note A)
|
Other (income) and expense (Note A)
|
| Curtailments and settlements |
$ 5,923
|
|
|
| Curtailments and settlements - income statement location |
Other (income) and expense (Note A)
|
Other (income) and expense (Note A)
|
Other (income) and expense (Note A)
|
| Other costs/(credits) - income statement location |
Other (income) and expense (Note A)
|
Other (income) and expense (Note A)
|
Other (income) and expense (Note A)
|
| Total net periodic pension / nonpension (income)/cost of defined benefit plans |
$ 5,857
|
$ 319
|
$ 178
|
| U.S. | Nonpension Postretirement Plans |
|
|
|
| Components of net periodic (income)/cost of the retirement-related benefit plans |
|
|
|
| Service cost |
5
|
7
|
9
|
| Interest cost |
$ 85
|
$ 65
|
$ 103
|
| Interest cost - income statement location |
Other (income) and expense (Note A)
|
Other (income) and expense (Note A)
|
Other (income) and expense (Note A)
|
| Expected return on plan assets - income statement location |
Other (income) and expense (Note A)
|
Other (income) and expense (Note A)
|
Other (income) and expense (Note A)
|
| Amortization of transition assets - income statement location |
Other (income) and expense (Note A)
|
Other (income) and expense (Note A)
|
Other (income) and expense (Note A)
|
| Amortization of prior service costs/(credits) |
$ (10)
|
$ 4
|
$ 4
|
| Amortization of prior service costs/(credits) - income statement location |
Other (income) and expense (Note A)
|
Other (income) and expense (Note A)
|
Other (income) and expense (Note A)
|
| Recognized actuarial losses |
$ 5
|
$ 52
|
$ 29
|
| Recognized actuarial losses - income statement location |
Other (income) and expense (Note A)
|
Other (income) and expense (Note A)
|
Other (income) and expense (Note A)
|
| Curtailments and settlements - income statement location |
Other (income) and expense (Note A)
|
Other (income) and expense (Note A)
|
Other (income) and expense (Note A)
|
| Total net periodic pension / nonpension (income)/cost of defined benefit plans |
$ 85
|
$ 127
|
$ 145
|
| Non-US | Pension Plans |
|
|
|
| Components of net periodic (income)/cost of the retirement-related benefit plans |
|
|
|
| Service cost |
237
|
300
|
328
|
| Interest cost |
$ 493
|
$ 424
|
$ 541
|
| Interest cost - income statement location |
Other (income) and expense (Note A)
|
Other (income) and expense (Note A)
|
Other (income) and expense (Note A)
|
| Expected return on plan assets |
$ (1,016)
|
$ (1,115)
|
$ (1,229)
|
| Expected return on plan assets - income statement location |
Other (income) and expense (Note A)
|
Other (income) and expense (Note A)
|
Other (income) and expense (Note A)
|
| Amortization of transition assets - income statement location |
Other (income) and expense (Note A)
|
Other (income) and expense (Note A)
|
Other (income) and expense (Note A)
|
| Amortization of prior service costs/(credits) |
$ 14
|
$ (12)
|
$ (9)
|
| Amortization of prior service costs/(credits) - income statement location |
Other (income) and expense (Note A)
|
Other (income) and expense (Note A)
|
Other (income) and expense (Note A)
|
| Recognized actuarial losses |
$ 1,031
|
$ 1,392
|
$ 1,336
|
| Recognized actuarial losses - income statement location |
Other (income) and expense (Note A)
|
Other (income) and expense (Note A)
|
Other (income) and expense (Note A)
|
| Curtailments and settlements |
$ 47
|
$ 94
|
$ 49
|
| Curtailments and settlements - income statement location |
Other (income) and expense (Note A)
|
Other (income) and expense (Note A)
|
Other (income) and expense (Note A)
|
| Multi-employer plans |
$ 15
|
$ 17
|
$ 23
|
| Other costs/(credits) |
$ 15
|
$ 18
|
$ 18
|
| Other costs/(credits) - income statement location |
Other (income) and expense (Note A)
|
Other (income) and expense (Note A)
|
Other (income) and expense (Note A)
|
| Total net periodic pension / nonpension (income)/cost of defined benefit plans |
$ 836
|
$ 1,119
|
$ 1,057
|
| Non-US | Nonpension Postretirement Plans |
|
|
|
| Components of net periodic (income)/cost of the retirement-related benefit plans |
|
|
|
| Service cost |
3
|
4
|
4
|
| Interest cost |
$ 24
|
$ 27
|
$ 35
|
| Interest cost - income statement location |
Other (income) and expense (Note A)
|
Other (income) and expense (Note A)
|
Other (income) and expense (Note A)
|
| Expected return on plan assets |
$ (2)
|
$ (3)
|
$ (4)
|
| Expected return on plan assets - income statement location |
Other (income) and expense (Note A)
|
Other (income) and expense (Note A)
|
Other (income) and expense (Note A)
|
| Amortization of transition assets - income statement location |
Other (income) and expense (Note A)
|
Other (income) and expense (Note A)
|
Other (income) and expense (Note A)
|
| Amortization of prior service costs/(credits) |
$ 0
|
$ 0
|
$ 0
|
| Amortization of prior service costs/(credits) - income statement location |
Other (income) and expense (Note A)
|
Other (income) and expense (Note A)
|
Other (income) and expense (Note A)
|
| Recognized actuarial losses |
$ 4
|
$ 15
|
$ 21
|
| Recognized actuarial losses - income statement location |
Other (income) and expense (Note A)
|
Other (income) and expense (Note A)
|
Other (income) and expense (Note A)
|
| Curtailments and settlements |
$ 0
|
$ 0
|
$ 0
|
| Curtailments and settlements - income statement location |
Other (income) and expense (Note A)
|
Other (income) and expense (Note A)
|
Other (income) and expense (Note A)
|
| Other costs/(credits) |
$ 0
|
$ 0
|
$ 0
|
| Total net periodic pension / nonpension (income)/cost of defined benefit plans |
30
|
44
|
57
|
| Personal Pension Plan (PPP) | Pension Plans |
|
|
|
| Components of net periodic (income)/cost of the retirement-related benefit plans |
|
|
|
| Total net periodic pension / nonpension (income)/cost of defined benefit plans |
6,685
|
1,422
|
1,224
|
| Personal Pension Plan (PPP) | U.S. | Pension Plans |
|
|
|
| Components of net periodic (income)/cost of the retirement-related benefit plans |
|
|
|
| Total net periodic pension / nonpension (income)/cost of defined benefit plans |
5,849
|
303
|
167
|
| Personal Pension Plan (PPP) | Non-US | Pension Plans |
|
|
|
| Components of net periodic (income)/cost of the retirement-related benefit plans |
|
|
|
| Total net periodic pension / nonpension (income)/cost of defined benefit plans |
$ 836
|
$ 1,119
|
$ 1,057
|