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Statement of Changes in Consolidated Equity (Unaudited) - USD ($) $ in Millions | Total | Preferred Class A [Member] | Preferred Class B [Member] | Preferred Stock [Member] | Mandatory Convertible Preferred Stock [Member] | Common Stock [Member] | Additional Capital [Member] | Retained Earnings [Member] | Retained Earnings [Member] Preferred Class A [Member] | Retained Earnings [Member] Preferred Class B [Member] | Treasury Stock [Member] | Accumulated Other Comprehensive Loss [Member] | Noncontrolling Interests [Member]
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Balance at Dec. 31, 2014 | $ 14,794 |  |  | $ 55 | $ 3 | $ 1,304 | $ 9,284 | $ 9,379 |  |  | $ (3,042) | $ (4,677) | $ 2,488
Net income | 568 |  |  |  |  |  |  | 379 |  |  |  |  | 189
Other comprehensive (loss) income (C) | (1,361) |  |  |  |  |  |  |  |  |  |  | (855) | (506)
Cash dividends declared: |  |  |  |  |  |  |  |  |  |  |  |  |
Preferred share, value |  | $ (2) | $ (50) |  |  |  |  |  | $ (2) | $ (50) |  |  |
Common share, value | (153) |  |  |  |  |  |  | (153) |  |  |  |  |
Stock-based compensation | 78 |  |  |  |  |  | 78 |  |  |  |  |  |
Common stock issued: compensation plans | 21 |  |  |  |  |  | (191) |  |  |  | 212 |  |
Issuance of common stock (E) | 870 |  |  |  |  | 87 | 783 |  |  |  |  |  |
Distributions | (72) |  |  |  |  |  |  |  |  |  |  |  | (72)
Other | (2) |  |  |  |  |  |  |  |  |  |  |  | (2)
Balance at Sep. 30, 2015 | 14,691 |  |  | 55 | 3 | 1,391 | 9,954 | 9,553 |  |  | (2,830) | (5,532) | 2,097
Balance at Jun. 30, 2015 | 14,638 |  |  | 55 | 3 | 1,304 | 9,147 | 9,605 |  |  | (2,834) | (4,966) | 2,324
Net income | 106 |  |  |  |  |  |  | 44 |  |  |  |  | 62
Other comprehensive (loss) income (C) | (855) |  |  |  |  |  |  |  |  |  |  | (566) | (289)
Cash dividends declared: |  |  |  |  |  |  |  |  |  |  |  |  |
Preferred share, value |  | (1) | (16) |  |  |  |  |  | (1) | (16) |  |  |
Common share, value | (79) |  |  |  |  |  |  | (79) |  |  |  |  |
Stock-based compensation | 23 |  |  |  |  |  | 23 |  |  |  |  |  |
Common stock issued: compensation plans | 5 |  |  |  |  |  | 1 |  |  |  | 4 |  |
Issuance of common stock (E) | 870 |  |  |  |  | 87 | 783 |  |  |  |  |  |
Distributions | (1) |  |  |  |  |  |  |  |  |  |  |  | (1)
Other | 1 |  |  |  |  |  |  |  |  |  |  |  | 1
Balance at Sep. 30, 2015 | 14,691 |  |  | 55 | 3 | 1,391 | 9,954 | 9,553 |  |  | (2,830) | (5,532) | 2,097
Balance at Dec. 31, 2015 | 14,131 |  |  | 55 | 3 | 1,391 | 10,019 | 8,834 |  |  | (2,825) | (5,431) | 2,085
Net income | 375 |  |  |  |  |  |  | 317 |  |  |  |  | 58
Other comprehensive (loss) income (C) | (237) |  |  |  |  |  |  |  |  |  |  | (427) | 190
Cash dividends declared: |  |  |  |  |  |  |  |  |  |  |  |  |
Preferred share, value |  | (2) | (50) |  |  |  |  |  | (2) | (50) |  |  |
Common share, value | (159) |  |  |  |  |  |  | (159) |  |  |  |  |
Stock-based compensation | 73 |  |  |  |  |  | 73 |  |  |  |  |  |
Common stock issued: compensation plans | (23) |  |  |  |  |  | (209) |  |  |  | 186 |  |
Retirement of Treasury stock (M) |  |  |  |  |  | (76) | (2,563) |  |  |  | 2,639 |  |
Reverse stock split (A & M) |  |  |  |  |  | (877) | 877 |  |  |  |  |  |
Distributions | (176) |  |  |  |  |  |  |  |  |  |  |  | (176)
Other | 13 |  |  |  |  |  |  |  |  |  |  |  | 13
Balance at Sep. 30, 2016 | 13,945 |  |  | 55 | 3 | 438 | 8,197 | 8,940 |  |  |  | (5,858) | 2,170
Balance at Jun. 30, 2016 | 14,529 |  |  | 55 | 3 | 1,391 | 9,877 | 8,871 |  |  | (2,647) | (5,215) | 2,194
Net income | 186 |  |  |  |  |  |  | 166 |  |  |  |  | 20
Other comprehensive (loss) income (C) | (609) |  |  |  |  |  |  |  |  |  |  | (643) | 34
Cash dividends declared: |  |  |  |  |  |  |  |  |  |  |  |  |
Preferred share, value |  | $ (1) | $ (16) |  |  |  |  |  | $ (1) | $ (16) |  |  |
Common share, value | (80) |  |  |  |  |  |  | (80) |  |  |  |  |
Stock-based compensation | 18 |  |  |  |  |  | 18 |  |  |  |  |  |
Common stock issued: compensation plans | (4) |  |  |  |  |  | (12) |  |  |  | 8 |  |
Retirement of Treasury stock (M) |  |  |  |  |  | (76) | (2,563) |  |  |  | $ 2,639 |  |
Reverse stock split (A & M) |  |  |  |  |  | (877) | 877 |  |  |  |  |  |
Distributions | (92) |  |  |  |  |  |  |  |  |  |  |  | (92)
Other | 14 |  |  |  |  |  |  |  |  |  |  |  | 14
Balance at Sep. 30, 2016 | $ 13,945 |  |  | $ 55 | $ 3 | $ 438 | $ 8,197 | $ 8,940 |  |  |  | $ (5,858) | $ 2,170

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