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v3.3.1.900

Condensed Statements of Cash Flow (Detail) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013
CASH FLOWS FROM OPERATING ACTIVITIES: |  |  |
Net (loss) income | $ (47,156) | $ 485,397 | $ 475,547
Change in other assets | (196,899) | 105,575 | (92,089)
Change in other liabilities | 15,425 | (16,020) | 49,442
CASH FLOWS FROM FINANCING ACTIVITIES: |  |  |
Treasury stock purchases | (7,020) | (7,283) | (5,319)
Cash dividends paid on common stock | (453,981) | (442,204) | (440,308)
Net cash received from exercise of stock options |  | 60 | 326
Proceeds from follow-on common stock offering ,net | 629,682 |  |
Net (decrease) increase in cash and cash equivalents | (26,476) | (80,400) | (1,782,708)
Cash and cash equivalents at beginning of year | 564,150 | 644,550 | 2,427,258
Cash and cash equivalents at end of year | 537,674 | 564,150 | 644,550
Parent Company |  |  |
CASH FLOWS FROM OPERATING ACTIVITIES: |  |  |
Net (loss) income | (47,156) | 485,397 | 475,547
Change in other assets | (2,253) | 293 | (3,841)
Change in other liabilities | 22,236 | (2,807) | 6,342
Other, net | 32,955 | 30,739 | 24,135
Equity in overdistributed (underdistributed) earnings of subsidiaries | 366,175 | (98,701) | (46,041)
Net cash provided by operating activities | 371,957 | 414,921 | 456,142
CASH FLOWS FROM INVESTING ACTIVITIES: |  |  |
Proceeds from sales and repayments of securities |  | 566 | 151
Change in receivable from subsidiaries, net | 224 | (2,707) | 1,428
Investment in subsidiaries | (560,000) |  |
Net cash (used in) provided by investing activities | (559,776) | (2,141) | 1,579
CASH FLOWS FROM FINANCING ACTIVITIES: |  |  |
Treasury stock purchases | (7,020) | (7,283) | (5,319)
Cash dividends paid on common stock | (453,981) | (442,204) | (440,308)
Net cash received from exercise of stock options |  | 60 | 326
Proceeds from follow-on common stock offering ,net | 629,682 |  |
Net cash provided by (used in) financing activities | 168,681 | (449,427) | (445,301)
Net (decrease) increase in cash and cash equivalents | (19,138) | (36,647) | 12,420
Cash and cash equivalents at beginning of year | 89,518 | 126,165 | 113,745
Cash and cash equivalents at end of year | $ 70,380 | $ 89,518 | $ 126,165

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