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v3.19.1

General - Statement of Operations (Details) - USD ($) $ / shares in Units, $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2019 | Mar. 31, 2018
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |
Property and casualty insurance claims and claims expense | $ 5,820 | $ 5,129
Operating costs and expenses | 1,380 | 1,303
Pension and other postretirement remeasurement gains and losses | 15 | 14
Restructuring and related charges | 18 | 19
Total costs and expenses | 9,371 | 8,508
Gain on disposition of operations | (1) | (1)
Income from operations before income tax expense | 1,620 | 1,263
Income tax expense | 328 | 257
Net income | 1,292 | 1,006
Preferred stock dividends | 31 | 29
Net income applicable to common shareholders | $ 1,261 | $ 977
Net income available to common shareholders per common share - Basic (in dollars per share) | $ 3.79 | $ 2.76
Net income available to common shareholders per common share - Diluted (in dollars per share) | $ 3.74 | $ 2.71
Previously reported |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |
Property and casualty insurance claims and claims expense | $ 5,829 | $ 5,149
Operating costs and expenses | 1,388 | 1,333
Pension and other postretirement remeasurement gains and losses | 0 | 0
Restructuring and related charges | 22 | 22
Total costs and expenses | 9,377 | 8,547
Income from operations before income tax expense | 1,614 | 1,224
Income tax expense | 327 | 249
Net income | 1,287 | 975
Net income applicable to common shareholders | $ 1,256 | $ 946
Net income available to common shareholders per common share - Basic (in dollars per share) | $ 3.78 | $ 2.67
Net income available to common shareholders per common share - Diluted (in dollars per share) | $ 3.72 | $ 2.63
Impact of change | Adjustment |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |
Property and casualty insurance claims and claims expense | $ (9) | $ (20)
Operating costs and expenses | (8) | (30)
Pension and other postretirement remeasurement gains and losses | (15) | 14
Restructuring and related charges | (4) | (3)
Total costs and expenses | (6) | (39)
Income from operations before income tax expense | 6 | 39
Income tax expense | 1 | 8
Net income | 5 | 31
Net income applicable to common shareholders | $ 5 | $ 31
Net income available to common shareholders per common share - Basic (in dollars per share) | $ 0.01 | $ 0.09
Net income available to common shareholders per common share - Diluted (in dollars per share) | $ 0.02 | $ 0.08

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