Earnings per Share - Earnings per Share Reconciliation (Detail) (USD $) In Millions, except Per Share data, unless otherwise specified	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Net earnings (loss) per share attributable to RR Donnelley common shareholders:
Basic	$ 0.59us-gaap_EarningsPerShareBasic	$ 1.16us-gaap_EarningsPerShareBasic	$ (3.61)us-gaap_EarningsPerShareBasic
Diluted	$ 0.59us-gaap_EarningsPerShareDiluted	$ 1.15us-gaap_EarningsPerShareDiluted	$ (3.61)us-gaap_EarningsPerShareDiluted
Dividends declared per common share	$ 1.04	$ 1.04	$ 1.04
Numerator:
Net earnings (loss) attributable to RR Donnelley common shareholders	$ 117.4us-gaap_NetIncomeLoss	$ 211.2us-gaap_NetIncomeLoss	$ (651.4)us-gaap_NetIncomeLoss
Denominator:
Weighted average number of common shares outstanding	198.5	181.9	180.4
Dilutive options and awards	1.5	1.6
Diluted weighted average number of common shares outstanding	200.0	183.5	180.4
Weighted average number of anti-dilutive share-based awards:
Weighted average antidilutive securities excluded from computation of earnings per share	2.7	6.0	8.6
Restricted stock units
Weighted average number of anti-dilutive share-based awards:
Weighted average antidilutive securities excluded from computation of earnings per share		1.5	3.6
Performance share units
Weighted average number of anti-dilutive share-based awards:
Weighted average antidilutive securities excluded from computation of earnings per share	0.7	0.6	0.4
Stock options
Weighted average number of anti-dilutive share-based awards:
Weighted average antidilutive securities excluded from computation of earnings per share	2.0	3.9	4.6

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Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

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Aggregate dividends declared during the period for each share of common stock outstanding.

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The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.

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The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.

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