|
Employee Benefit Plans (Details) (USD $)
In Millions, unless otherwise specified
|
3 Months Ended |
9 Months Ended |
|
Sep. 30, 2014
|
Sep. 30, 2013
|
Sep. 30, 2014
|
Sep. 30, 2013
|
| Defined Benefit Plan Disclosure [Line Items] |
|
|
|
|
| Contributions to Defined Contribution Plans |
$ 79 |
$ 75 |
$ 249 |
$ 258 |
| Discontinued Operations Defined Benefit Plan Recognized Net Gain Due To Settlements And Curtailments |
|
|
|
(24) |
|
Pension Plans, Defined Benefit [Member]
|
|
|
|
|
| Defined Benefit Plan Disclosure [Line Items] |
|
|
|
|
| Contributions to Defined Benefit Plans |
60 |
21 |
204 |
72 |
| Service Cost |
122 |
142 |
366 |
428 |
| Interest Cost |
381 |
343 |
1,141 |
1,029 |
| Expected Return on Plan Assets |
(555) |
(526) |
(1,663) |
(1,579) |
| Amortization |
(3) |
(8) |
(7) |
(26) |
| Recognized actuarial net loss (gain) |
108 |
237 |
322 |
717 |
| Net settlement and curtailment loss (gain) |
2 |
0 |
8 |
(17) |
| Total net periodic benefit cost |
55 |
188 |
167 |
552 |
|
Other Postretirement Benefit Plans, Defined Benefit [Member]
|
|
|
|
|
| Defined Benefit Plan Disclosure [Line Items] |
|
|
|
|
| Service Cost |
1 |
1 |
3 |
3 |
| Interest Cost |
10 |
9 |
30 |
28 |
| Expected Return on Plan Assets |
0 |
0 |
0 |
0 |
| Amortization |
0 |
(2) |
0 |
(8) |
| Recognized actuarial net loss (gain) |
(1) |
(1) |
(3) |
(3) |
| Net settlement and curtailment loss (gain) |
0 |
0 |
0 |
0 |
| Total net periodic benefit cost |
10 |
7 |
30 |
20 |
|
United States Pension Plans Of US Entity Defined Benefit [Member]
|
|
|
|
|
| Defined Benefit Plan Disclosure [Line Items] |
|
|
|
|
| Contributions to Defined Benefit Plans |
$ 0 |
$ 0 |
$ 0 |
$ 0 |