Accumulated Other Comprehensive Income (Loss) | |||||||||||
In millions | 2013 | 2012 | 2011 | ||||||||
Unrealized Gains on Investments at beginning of year | $ | 147 | $ | 78 | $ | 111 | |||||
Net change in unrealized gains (losses) (net of tax of $25, $29, $(8)) | 55 | 84 | (12 | ) | |||||||
Reclassification to earnings - Net sales (net of tax of $(20), $(8), $(15)) (1) | (42 | ) | (13 | ) | (25 | ) | |||||
Reclassification to earnings - Sundry income (expense) - net (net of tax of $-, $(1), $2) (1) | — | (2 | ) | 4 | |||||||
Balance at end of period | $ | 160 | $ | 147 | $ | 78 | |||||
Cumulative Translation Adjustments at beginning of year | 328 | 72 | 367 | ||||||||
Translation adjustments (net of tax of $(6), $97, $(26)) | 169 | 256 | (262 | ) | |||||||
Reclassification to earnings - Sundry income (expense) - net (2) | (21 | ) | — | (33 | ) | ||||||
Balance at end of period | $ | 476 | $ | 328 | $ | 72 | |||||
Pension and Other Postretirement Benefit Plans at beginning of year | (7,995 | ) | (6,134 | ) | (4,871 | ) | |||||
Prior service credit arising during period (net of tax of $1, $-, $1) (3) | 5 | — | 1 | ||||||||
Net gain (loss) arising during period (net of tax of $876, $(1,037), $(657)) (3) | 1,984 | (2,222 | ) | (1,524 | ) | ||||||
Amortization of prior service cost included in net periodic pension costs (net of tax of $6, $7, $8) (3) | 15 | 15 | 19 | ||||||||
Amortization of net loss included in net periodic pension costs (net of tax of $266, $174, $130) (3) | 531 | 346 | 241 | ||||||||
Balance at end of period | $ | (5,460 | ) | $ | (7,995 | ) | $ | (6,134 | ) | ||
Accumulated Derivative Gain (Loss) at beginning of year | 4 | (12 | ) | (6 | ) | ||||||
Net hedging results | 10 | (7 | ) | (1 | ) | ||||||
Reclassification to earnings - Cost of sales (net of tax of $(8), $13, $(4)) (1) (4) | (17 | ) | 23 | (5 | ) | ||||||
Balance at end of period | $ | (3 | ) | $ | 4 | $ | (12 | ) | |||
Total accumulated other comprehensive loss | $ | (4,827 | ) | $ | (7,516 | ) | $ | (5,996 | ) |
(4) | Accumulated Derivative Gain (Loss) for 2012 and 2011 was presented in accordance with newly implemented ASU 2013-02. |